313812225

素因数分解:

$3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4999}}^1$

素因数の和:5052

約数の個数: 60

約数和(自身を含む): 600160000

約数和(自身を除く): 286347775

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 135, 155, 225, 279, 405, 465, 675, 775, 837, 1395, 2025, 2325, 2511, 4185, 4999, 6975, 12555, 14997, 20925, 24995, 44991, 62775, 74985, 124975, 134973, 154969, 224955, 374925, 404919, 464907, 674865, 774845, 1124775, 1394721, 2024595, 2324535, 3374325, 3874225, 4184163, 6973605, 10122975, 11622675, 12552489, 20920815, 34868025, 62762445, 104604075, 313812225]

約数ペア:

[(1, 313812225), (3, 104604075), (5, 62762445), (9, 34868025), (15, 20920815), (25, 12552489), (27, 11622675), (31, 10122975), (45, 6973605), (75, 4184163), (81, 3874225), (93, 3374325), (135, 2324535), (155, 2024595), (225, 1394721), (279, 1124775), (405, 774845), (465, 674865), (675, 464907), (775, 404919), (837, 374925), (1395, 224955), (2025, 154969), (2325, 134973), (2511, 124975), (4185, 74985), (4999, 62775), (6975, 44991), (12555, 24995), (14997, 20925)]