15697927679

素因数分解:

$7^4\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1721}}^1$

素因数の和:1909

約数の個数: 40

約数和(自身を含む): 19100355120

約数和(自身を除く): 3402427441

約数列:

[1, 7, 29, 49, 131, 203, 343, 917, 1421, 1721, 2401, 3799, 6419, 9947, 12047, 26593, 44933, 49909, 69629, 84329, 186151, 225451, 314531, 349363, 590303, 1303057, 1578157, 2445541, 4132121, 6538079, 9121399, 11047099, 17118787, 45766553, 77329693, 119831509, 320365871, 541307851, 2242561097, 15697927679]

約数ペア:

[(1, 15697927679), (7, 2242561097), (29, 541307851), (49, 320365871), (131, 119831509), (203, 77329693), (343, 45766553), (917, 17118787), (1421, 11047099), (1721, 9121399), (2401, 6538079), (3799, 4132121), (6419, 2445541), (9947, 1578157), (12047, 1303057), (26593, 590303), (44933, 349363), (49909, 314531), (69629, 225451), (84329, 186151)]