218635983

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{757}}^1$

素因数の和:1348

約数の個数: 32

約数和(自身を含む): 342009600

約数和(自身を除く): 123373617

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 563, 757, 1689, 2271, 5067, 6813, 10697, 14383, 15201, 20439, 32091, 43149, 96273, 129447, 288819, 388341, 426191, 1278573, 3835719, 8097629, 11507157, 24292887, 72878661, 218635983]

約数ペア:

[(1, 218635983), (3, 72878661), (9, 24292887), (19, 11507157), (27, 8097629), (57, 3835719), (171, 1278573), (513, 426191), (563, 388341), (757, 288819), (1689, 129447), (2271, 96273), (5067, 43149), (6813, 32091), (10697, 20439), (14383, 15201)]