31353075

素因数分解:

$3^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 62874448

約数和(自身を除く): 31521373

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 243, 325, 351, 397, 405, 585, 675, 975, 1053, 1191, 1215, 1755, 1985, 2025, 2925, 3159, 3573, 5161, 5265, 5955, 6075, 8775, 9925, 10719, 15483, 15795, 17865, 25805, 26325, 29775, 32157, 46449, 53595, 77415, 78975, 89325, 96471, 129025, 139347, 160785, 232245, 267975, 387075, 418041, 482355, 696735, 803925, 1161225, 1254123, 2090205, 2411775, 3483675, 6270615, 10451025, 31353075]

約数ペア:

[(1, 31353075), (3, 10451025), (5, 6270615), (9, 3483675), (13, 2411775), (15, 2090205), (25, 1254123), (27, 1161225), (39, 803925), (45, 696735), (65, 482355), (75, 418041), (81, 387075), (117, 267975), (135, 232245), (195, 160785), (225, 139347), (243, 129025), (325, 96471), (351, 89325), (397, 78975), (405, 77415), (585, 53595), (675, 46449), (975, 32157), (1053, 29775), (1191, 26325), (1215, 25805), (1755, 17865), (1985, 15795), (2025, 15483), (2925, 10719), (3159, 9925), (3573, 8775), (5161, 6075), (5265, 5955)]