81398394

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:337

約数の個数: 144

約数和(自身を含む): 234037440

約数和(自身を除く): 152639046

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 33, 38, 42, 57, 63, 66, 77, 99, 114, 121, 126, 133, 154, 171, 198, 209, 231, 242, 266, 281, 342, 363, 399, 418, 462, 562, 627, 693, 726, 798, 843, 847, 1089, 1197, 1254, 1386, 1463, 1686, 1694, 1881, 1967, 2178, 2299, 2394, 2529, 2541, 2926, 3091, 3762, 3934, 4389, 4598, 5058, 5082, 5339, 5901, 6182, 6897, 7623, 8778, 9273, 10678, 11802, 13167, 13794, 15246, 16017, 16093, 17703, 18546, 20691, 21637, 26334, 27819, 32034, 32186, 34001, 35406, 37373, 41382, 43274, 48051, 48279, 55638, 58729, 64911, 68002, 74746, 96102, 96558, 102003, 112119, 117458, 129822, 144837, 176187, 194733, 204006, 224238, 238007, 289674, 306009, 336357, 352374, 389466, 411103, 476014, 528561, 612018, 646019, 672714, 714021, 822206, 1057122, 1233309, 1292038, 1428042, 1938057, 2142063, 2466618, 3699927, 3876114, 4284126, 4522133, 5814171, 7399854, 9044266, 11628342, 13566399, 27132798, 40699197, 81398394]

約数ペア:

[(1, 81398394), (2, 40699197), (3, 27132798), (6, 13566399), (7, 11628342), (9, 9044266), (11, 7399854), (14, 5814171), (18, 4522133), (19, 4284126), (21, 3876114), (22, 3699927), (33, 2466618), (38, 2142063), (42, 1938057), (57, 1428042), (63, 1292038), (66, 1233309), (77, 1057122), (99, 822206), (114, 714021), (121, 672714), (126, 646019), (133, 612018), (154, 528561), (171, 476014), (198, 411103), (209, 389466), (231, 352374), (242, 336357), (266, 306009), (281, 289674), (342, 238007), (363, 224238), (399, 204006), (418, 194733), (462, 176187), (562, 144837), (627, 129822), (693, 117458), (726, 112119), (798, 102003), (843, 96558), (847, 96102), (1089, 74746), (1197, 68002), (1254, 64911), (1386, 58729), (1463, 55638), (1686, 48279), (1694, 48051), (1881, 43274), (1967, 41382), (2178, 37373), (2299, 35406), (2394, 34001), (2529, 32186), (2541, 32034), (2926, 27819), (3091, 26334), (3762, 21637), (3934, 20691), (4389, 18546), (4598, 17703), (5058, 16093), (5082, 16017), (5339, 15246), (5901, 13794), (6182, 13167), (6897, 11802), (7623, 10678), (8778, 9273)]