31478655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1481}}^1$

素因数の和:1611

約数の個数: 32

約数和(自身を含む): 54774720

約数和(自身を除く): 23296065

約数列:

[1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 1417, 1481, 1635, 4251, 4443, 7085, 7405, 19253, 21255, 22215, 57759, 96265, 161429, 288795, 484287, 807145, 2098577, 2421435, 6295731, 10492885, 31478655]

約数ペア:

[(1, 31478655), (3, 10492885), (5, 6295731), (13, 2421435), (15, 2098577), (39, 807145), (65, 484287), (109, 288795), (195, 161429), (327, 96265), (545, 57759), (1417, 22215), (1481, 21255), (1635, 19253), (4251, 7405), (4443, 7085)]