1553663013

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1\times {\mathrm{857}}^1$

素因数の和:1657

約数の個数: 32

約数和(自身を含む): 2391966720

約数和(自身を除く): 838303707

約数列:

[1, 3, 7, 21, 131, 393, 659, 857, 917, 1977, 2571, 2751, 4613, 5999, 13839, 17997, 86329, 112267, 258987, 336801, 564763, 604303, 785869, 1694289, 1812909, 2357607, 3953341, 11860023, 73983953, 221951859, 517887671, 1553663013]

約数ペア:

[(1, 1553663013), (3, 517887671), (7, 221951859), (21, 73983953), (131, 11860023), (393, 3953341), (659, 2357607), (857, 1812909), (917, 1694289), (1977, 785869), (2571, 604303), (2751, 564763), (4613, 336801), (5999, 258987), (13839, 112267), (17997, 86329)]