42640695

素因数分解:

$3^3\times 5^1\times {\mathrm{315857}}^1$

素因数の和:315871

約数の個数: 16

約数和(自身を含む): 75805920

約数和(自身を除く): 33165225

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 315857, 947571, 1579285, 2842713, 4737855, 8528139, 14213565, 42640695]

約数ペア:

[(1, 42640695), (3, 14213565), (5, 8528139), (9, 4737855), (15, 2842713), (27, 1579285), (45, 947571), (135, 315857)]