87311985

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{73681}}^1$

素因数の和:73768

約数の個数: 16

約数和(自身を含む): 141469440

約数和(自身を除く): 54157455

約数列:

[1, 3, 5, 15, 79, 237, 395, 1185, 73681, 221043, 368405, 1105215, 5820799, 17462397, 29103995, 87311985]

約数ペア:

[(1, 87311985), (3, 29103995), (5, 17462397), (15, 5820799), (79, 1105215), (237, 368405), (395, 221043), (1185, 73681)]