156764517

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{19801}}^1$

素因数の和:19853

約数の個数: 32

約数和(自身を含む): 266138880

約数和(自身を除く): 109374363

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 7917, 19801, 59403, 138607, 257413, 415821, 574229, 772239, 1722687, 1801891, 4019603, 5405673, 7464977, 12058809, 22394931, 52254839, 156764517]

約数ペア:

[(1, 156764517), (3, 52254839), (7, 22394931), (13, 12058809), (21, 7464977), (29, 5405673), (39, 4019603), (87, 1801891), (91, 1722687), (203, 772239), (273, 574229), (377, 415821), (609, 257413), (1131, 138607), (2639, 59403), (7917, 19801)]