1290375

素因数分解:

$3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:89

約数の個数: 48

約数和(自身を含む): 2466048

約数和(自身を除く): 1175673

約数列:

[1, 3, 5, 9, 15, 25, 31, 37, 45, 75, 93, 111, 125, 155, 185, 225, 279, 333, 375, 465, 555, 775, 925, 1125, 1147, 1395, 1665, 2325, 2775, 3441, 3875, 4625, 5735, 6975, 8325, 10323, 11625, 13875, 17205, 28675, 34875, 41625, 51615, 86025, 143375, 258075, 430125, 1290375]

約数ペア:

[(1, 1290375), (3, 430125), (5, 258075), (9, 143375), (15, 86025), (25, 51615), (31, 41625), (37, 34875), (45, 28675), (75, 17205), (93, 13875), (111, 11625), (125, 10323), (155, 8325), (185, 6975), (225, 5735), (279, 4625), (333, 3875), (375, 3441), (465, 2775), (555, 2325), (775, 1665), (925, 1395), (1125, 1147)]