31991115

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164057}}^1$

素因数の和:164078

約数の個数: 16

約数和(自身を含む): 55123488

約数和(自身を除く): 23132373

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 164057, 492171, 820285, 2132741, 2460855, 6398223, 10663705, 31991115]

約数ペア:

[(1, 31991115), (3, 10663705), (5, 6398223), (13, 2460855), (15, 2132741), (39, 820285), (65, 492171), (195, 164057)]