128435505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{778397}}^1$

素因数の和:778416

約数の個数: 16

約数和(自身を含む): 224178624

約数和(自身を除く): 95743119

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 778397, 2335191, 3891985, 8562367, 11675955, 25687101, 42811835, 128435505]

約数ペア:

[(1, 128435505), (3, 42811835), (5, 25687101), (11, 11675955), (15, 8562367), (33, 3891985), (55, 2335191), (165, 778397)]