128539365

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1\times {\mathrm{307}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 209104896

約数和(自身を除く): 80565531

約数列:

[1, 3, 5, 15, 103, 271, 307, 309, 515, 813, 921, 1355, 1535, 1545, 4065, 4605, 27913, 31621, 83197, 83739, 94863, 139565, 158105, 249591, 415985, 418695, 474315, 1247955, 8569291, 25707873, 42846455, 128539365]

約数ペア:

[(1, 128539365), (3, 42846455), (5, 25707873), (15, 8569291), (103, 1247955), (271, 474315), (307, 418695), (309, 415985), (515, 249591), (813, 158105), (921, 139565), (1355, 94863), (1535, 83739), (1545, 83197), (4065, 31621), (4605, 27913)]