128456529

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{5503}}^1$

素因数の和:5788

約数の個数: 16

約数和(自身を含む): 177537024

約数和(自身を除く): 49080495

約数列:

[1, 3, 31, 93, 251, 753, 5503, 7781, 16509, 23343, 170593, 511779, 1381253, 4143759, 42818843, 128456529]

約数ペア:

[(1, 128456529), (3, 42818843), (31, 4143759), (93, 1381253), (251, 511779), (753, 170593), (5503, 23343), (7781, 16509)]