31240845

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{599}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 58032000

約数和(自身を除く): 26791155

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 61, 95, 171, 183, 285, 305, 549, 599, 855, 915, 1159, 1797, 2745, 2995, 3477, 5391, 5795, 8985, 10431, 11381, 17385, 26955, 34143, 36539, 52155, 56905, 102429, 109617, 170715, 182695, 328851, 512145, 548085, 694241, 1644255, 2082723, 3471205, 6248169, 10413615, 31240845]

約数ペア:

[(1, 31240845), (3, 10413615), (5, 6248169), (9, 3471205), (15, 2082723), (19, 1644255), (45, 694241), (57, 548085), (61, 512145), (95, 328851), (171, 182695), (183, 170715), (285, 109617), (305, 102429), (549, 56905), (599, 52155), (855, 36539), (915, 34143), (1159, 26955), (1797, 17385), (2745, 11381), (2995, 10431), (3477, 8985), (5391, 5795)]