31740645

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 53032320

約数和(自身を除く): 21291675

約数列:

[1, 3, 5, 15, 29, 87, 131, 145, 393, 435, 557, 655, 1671, 1965, 2785, 3799, 8355, 11397, 16153, 18995, 48459, 56985, 72967, 80765, 218901, 242295, 364835, 1094505, 2116043, 6348129, 10580215, 31740645]

約数ペア:

[(1, 31740645), (3, 10580215), (5, 6348129), (15, 2116043), (29, 1094505), (87, 364835), (131, 242295), (145, 218901), (393, 80765), (435, 72967), (557, 56985), (655, 48459), (1671, 18995), (1965, 16153), (2785, 11397), (3799, 8355)]