12912984981

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{5981}}^1\times {\mathrm{6151}}^1$

素因数の和:12154

約数の個数: 32

約数和(自身を含む): 20608707840

約数和(自身を除く): 7695722859

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 5981, 6151, 17943, 18453, 53829, 55359, 77753, 79963, 161487, 166077, 233259, 239889, 699777, 719667, 2099331, 2159001, 36789131, 110367393, 331102179, 478258703, 993306537, 1434776109, 4304328327, 12912984981]

約数ペア:

[(1, 12912984981), (3, 4304328327), (9, 1434776109), (13, 993306537), (27, 478258703), (39, 331102179), (117, 110367393), (351, 36789131), (5981, 2159001), (6151, 2099331), (17943, 719667), (18453, 699777), (53829, 239889), (55359, 233259), (77753, 166077), (79963, 161487)]