268353033

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1\times {\mathrm{521}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 395684352

約数和(自身を除く): 127331319

約数列:

[1, 3, 13, 39, 47, 141, 281, 521, 611, 843, 1563, 1833, 3653, 6773, 10959, 13207, 20319, 24487, 39621, 73461, 146401, 171691, 318331, 439203, 515073, 954993, 1903213, 5709639, 6880847, 20642541, 89451011, 268353033]

約数ペア:

[(1, 268353033), (3, 89451011), (13, 20642541), (39, 6880847), (47, 5709639), (141, 1903213), (281, 954993), (521, 515073), (611, 439203), (843, 318331), (1563, 171691), (1833, 146401), (3653, 73461), (6773, 39621), (10959, 24487), (13207, 20319)]