128513715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{778871}}^1$

素因数の和:778890

約数の個数: 16

約数和(自身を含む): 224315136

約数和(自身を除く): 95801421

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 778871, 2336613, 3894355, 8567581, 11683065, 25702743, 42837905, 128513715]

約数ペア:

[(1, 128513715), (3, 42837905), (5, 25702743), (11, 11683065), (15, 8567581), (33, 3894355), (55, 2336613), (165, 778871)]