156718191

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{1013}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 245306880

約数和(自身を除く): 88588689

約数列:

[1, 3, 7, 21, 53, 139, 159, 371, 417, 973, 1013, 1113, 2919, 3039, 7091, 7367, 21273, 22101, 51569, 53689, 140807, 154707, 161067, 375823, 422421, 985649, 1127469, 2956947, 7462771, 22388313, 52239397, 156718191]

約数ペア:

[(1, 156718191), (3, 52239397), (7, 22388313), (21, 7462771), (53, 2956947), (139, 1127469), (159, 985649), (371, 422421), (417, 375823), (973, 161067), (1013, 154707), (1113, 140807), (2919, 53689), (3039, 51569), (7091, 22101), (7367, 21273)]