221560351491

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{7699}}^1\times {\mathrm{70019}}^1$

素因数の和:77858

約数の個数: 16

約数和(自身を含む): 297613008000

約数和(自身を除く): 76052656509

約数列:

[1, 3, 137, 411, 7699, 23097, 70019, 210057, 1054763, 3164289, 9592603, 28777809, 539076281, 1617228843, 73853450497, 221560351491]

約数ペア:

[(1, 221560351491), (3, 73853450497), (137, 1617228843), (411, 539076281), (7699, 28777809), (23097, 9592603), (70019, 3164289), (210057, 1054763)]