27904185

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 50738688

約数和(自身を除く): 22834503

約数列:

[1, 3, 5, 9, 15, 31, 45, 83, 93, 155, 241, 249, 279, 415, 465, 723, 747, 1205, 1245, 1395, 2169, 2573, 3615, 3735, 7471, 7719, 10845, 12865, 20003, 22413, 23157, 37355, 38595, 60009, 67239, 100015, 112065, 115785, 180027, 300045, 336195, 620093, 900135, 1860279, 3100465, 5580837, 9301395, 27904185]

約数ペア:

[(1, 27904185), (3, 9301395), (5, 5580837), (9, 3100465), (15, 1860279), (31, 900135), (45, 620093), (83, 336195), (93, 300045), (155, 180027), (241, 115785), (249, 112065), (279, 100015), (415, 67239), (465, 60009), (723, 38595), (747, 37355), (1205, 23157), (1245, 22413), (1395, 20003), (2169, 12865), (2573, 10845), (3615, 7719), (3735, 7471)]