31241535

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1223}}^1$

素因数の和:1375

約数の個数: 32

約数和(自身を含む): 54286848

約数和(自身を除く): 23045313

約数列:

[1, 3, 5, 13, 15, 39, 65, 131, 195, 393, 655, 1223, 1703, 1965, 3669, 5109, 6115, 8515, 15899, 18345, 25545, 47697, 79495, 160213, 238485, 480639, 801065, 2082769, 2403195, 6248307, 10413845, 31241535]

約数ペア:

[(1, 31241535), (3, 10413845), (5, 6248307), (13, 2403195), (15, 2082769), (39, 801065), (65, 480639), (131, 238485), (195, 160213), (393, 79495), (655, 47697), (1223, 25545), (1703, 18345), (1965, 15899), (3669, 8515), (5109, 6115)]