28019481

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 44620800

約数和(自身を除く): 16601319

約数列:

[1, 3, 7, 21, 29, 87, 139, 203, 331, 417, 609, 973, 993, 2317, 2919, 4031, 6951, 9599, 12093, 28217, 28797, 46009, 67193, 84651, 138027, 201579, 322063, 966189, 1334261, 4002783, 9339827, 28019481]

約数ペア:

[(1, 28019481), (3, 9339827), (7, 4002783), (21, 1334261), (29, 966189), (87, 322063), (139, 201579), (203, 138027), (331, 84651), (417, 67193), (609, 46009), (973, 28797), (993, 28217), (2317, 12093), (2919, 9599), (4031, 6951)]