1234571985

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 2227218552

約数和(自身を除く): 992646567

約数列:

[1, 3, 5, 9, 15, 45, 61, 73, 101, 183, 219, 303, 305, 365, 505, 549, 657, 909, 915, 1095, 1515, 2745, 3285, 3721, 4453, 4545, 6161, 7373, 11163, 13359, 18483, 18605, 22119, 22265, 30805, 33489, 36865, 40077, 55449, 55815, 66357, 66795, 92415, 110595, 167445, 200385, 271633, 277245, 331785, 375821, 449753, 814899, 1127463, 1349259, 1358165, 1879105, 2248765, 2444697, 3382389, 4047777, 4074495, 5637315, 6746295, 12223485, 16911945, 20238885, 27434933, 82304799, 137174665, 246914397, 411523995, 1234571985]

約数ペア:

[(1, 1234571985), (3, 411523995), (5, 246914397), (9, 137174665), (15, 82304799), (45, 27434933), (61, 20238885), (73, 16911945), (101, 12223485), (183, 6746295), (219, 5637315), (303, 4074495), (305, 4047777), (365, 3382389), (505, 2444697), (549, 2248765), (657, 1879105), (909, 1358165), (915, 1349259), (1095, 1127463), (1515, 814899), (2745, 449753), (3285, 375821), (3721, 331785), (4453, 277245), (4545, 271633), (6161, 200385), (7373, 167445), (11163, 110595), (13359, 92415), (18483, 66795), (18605, 66357), (22119, 55815), (22265, 55449), (30805, 40077), (33489, 36865)]