80191917

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4861}}^1$

素因数の和:4930

約数の個数: 32

約数和(自身を含む): 130690560

約数和(自身を除く): 50498643

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 351, 423, 611, 1269, 1833, 4861, 5499, 14583, 16497, 43749, 63193, 131247, 189579, 228467, 568737, 685401, 1706211, 2056203, 2970071, 6168609, 8910213, 26730639, 80191917]

約数ペア:

[(1, 80191917), (3, 26730639), (9, 8910213), (13, 6168609), (27, 2970071), (39, 2056203), (47, 1706211), (117, 685401), (141, 568737), (351, 228467), (423, 189579), (611, 131247), (1269, 63193), (1833, 43749), (4861, 16497), (5499, 14583)]