211179969

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2179

約数の個数: 72

約数和(自身を含む): 412857536

約数和(自身を除く): 201677567

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 121, 143, 231, 273, 363, 429, 693, 819, 847, 1001, 1089, 1287, 1573, 2131, 2541, 3003, 4719, 6393, 7623, 9009, 11011, 14157, 14917, 19179, 23441, 27703, 33033, 44751, 70323, 83109, 99099, 134253, 164087, 193921, 210969, 249327, 257851, 304733, 492261, 581763, 773553, 914199, 1476783, 1745289, 1804957, 2133131, 2320659, 2742597, 3352063, 5414871, 6399393, 10056189, 16244613, 19198179, 23464441, 30168567, 70393323, 211179969]

約数ペア:

[(1, 211179969), (3, 70393323), (7, 30168567), (9, 23464441), (11, 19198179), (13, 16244613), (21, 10056189), (33, 6399393), (39, 5414871), (63, 3352063), (77, 2742597), (91, 2320659), (99, 2133131), (117, 1804957), (121, 1745289), (143, 1476783), (231, 914199), (273, 773553), (363, 581763), (429, 492261), (693, 304733), (819, 257851), (847, 249327), (1001, 210969), (1089, 193921), (1287, 164087), (1573, 134253), (2131, 99099), (2541, 83109), (3003, 70323), (4719, 44751), (6393, 33033), (7623, 27703), (9009, 23441), (11011, 19179), (14157, 14917)]