15663942021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{557059}}^1$

素因数の和:557185

約数の個数: 32

約数和(自身を含む): 25954539520

約数和(自身を除く): 10290597499

約数列:

[1, 3, 7, 13, 21, 39, 91, 103, 273, 309, 721, 1339, 2163, 4017, 9373, 28119, 557059, 1671177, 3899413, 7241767, 11698239, 21725301, 50692369, 57377077, 152077107, 172131231, 401639539, 745902001, 1204918617, 2237706003, 5221314007, 15663942021]

約数ペア:

[(1, 15663942021), (3, 5221314007), (7, 2237706003), (13, 1204918617), (21, 745902001), (39, 401639539), (91, 172131231), (103, 152077107), (273, 57377077), (309, 50692369), (721, 21725301), (1339, 11698239), (2163, 7241767), (4017, 3899413), (9373, 1671177), (28119, 557059)]