86921289

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2081}}^1$

素因数の和:2127

約数の個数: 64

約数和(自身を含む): 167892480

約数和(自身を除く): 80971191

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 91, 117, 119, 153, 189, 221, 273, 351, 357, 459, 663, 819, 1071, 1547, 1989, 2081, 2457, 3213, 4641, 5967, 6243, 13923, 14567, 18729, 27053, 35377, 41769, 43701, 56187, 81159, 106131, 131103, 189371, 243477, 247639, 318393, 393309, 459901, 568113, 730431, 742917, 955179, 1379703, 1704339, 2228751, 3219307, 4139109, 5113017, 6686253, 9657921, 12417327, 28973763, 86921289]

約数ペア:

[(1, 86921289), (3, 28973763), (7, 12417327), (9, 9657921), (13, 6686253), (17, 5113017), (21, 4139109), (27, 3219307), (39, 2228751), (51, 1704339), (63, 1379703), (91, 955179), (117, 742917), (119, 730431), (153, 568113), (189, 459901), (221, 393309), (273, 318393), (351, 247639), (357, 243477), (459, 189371), (663, 131103), (819, 106131), (1071, 81159), (1547, 56187), (1989, 43701), (2081, 41769), (2457, 35377), (3213, 27053), (4641, 18729), (5967, 14567), (6243, 13923)]