31864395

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 52488000

約数和(自身を除く): 20623605

約数列:

[1, 3, 5, 15, 53, 149, 159, 265, 269, 447, 745, 795, 807, 1345, 2235, 4035, 7897, 14257, 23691, 39485, 40081, 42771, 71285, 118455, 120243, 200405, 213855, 601215, 2124293, 6372879, 10621465, 31864395]

約数ペア:

[(1, 31864395), (3, 10621465), (5, 6372879), (15, 2124293), (53, 601215), (149, 213855), (159, 200405), (265, 120243), (269, 118455), (447, 71285), (745, 42771), (795, 40081), (807, 39485), (1345, 23691), (2235, 14257), (4035, 7897)]