15695950221

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{809}}^1\times {\mathrm{1381}}^1$

素因数の和:2426

約数の個数: 48

約数和(自身を含む): 26078008320

約数和(自身を除く): 10382058099

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 809, 1381, 1561, 2007, 2427, 4143, 4683, 5663, 7281, 9667, 12429, 14049, 16989, 29001, 50967, 87003, 180407, 307963, 541221, 923889, 1117229, 1262849, 1623663, 2155741, 2771667, 3351687, 3788547, 6467223, 7820603, 10055061, 11365641, 19401669, 23461809, 70385427, 249142067, 747426201, 1743994469, 2242278603, 5231983407, 15695950221]

約数ペア:

[(1, 15695950221), (3, 5231983407), (7, 2242278603), (9, 1743994469), (21, 747426201), (63, 249142067), (223, 70385427), (669, 23461809), (809, 19401669), (1381, 11365641), (1561, 10055061), (2007, 7820603), (2427, 6467223), (4143, 3788547), (4683, 3351687), (5663, 2771667), (7281, 2155741), (9667, 1623663), (12429, 1262849), (14049, 1117229), (16989, 923889), (29001, 541221), (50967, 307963), (87003, 180407)]