31209945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5519}}^1$

素因数の和:5569

約数の個数: 32

約数和(自身を含む): 55641600

約数和(自身を除く): 24431655

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 5519, 5655, 16557, 27595, 71747, 82785, 160051, 215241, 358735, 480153, 800255, 1076205, 2080663, 2400765, 6241989, 10403315, 31209945]

約数ペア:

[(1, 31209945), (3, 10403315), (5, 6241989), (13, 2400765), (15, 2080663), (29, 1076205), (39, 800255), (65, 480153), (87, 358735), (145, 215241), (195, 160051), (377, 82785), (435, 71747), (1131, 27595), (1885, 16557), (5519, 5655)]