31379445

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 25229835

約数列:

[1, 3, 5, 9, 15, 45, 53, 59, 159, 177, 223, 265, 295, 477, 531, 669, 795, 885, 1115, 2007, 2385, 2655, 3127, 3345, 9381, 10035, 11819, 13157, 15635, 28143, 35457, 39471, 46905, 59095, 65785, 106371, 118413, 140715, 177285, 197355, 531855, 592065, 697321, 2091963, 3486605, 6275889, 10459815, 31379445]

約数ペア:

[(1, 31379445), (3, 10459815), (5, 6275889), (9, 3486605), (15, 2091963), (45, 697321), (53, 592065), (59, 531855), (159, 197355), (177, 177285), (223, 140715), (265, 118413), (295, 106371), (477, 65785), (531, 59095), (669, 46905), (795, 39471), (885, 35457), (1115, 28143), (2007, 15635), (2385, 13157), (2655, 11819), (3127, 10035), (3345, 9381)]