670995

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 1327872

約数和(自身を除く): 656877

約数列:

[1, 3, 5, 9, 13, 15, 31, 37, 39, 45, 65, 93, 111, 117, 155, 185, 195, 279, 333, 403, 465, 481, 555, 585, 1147, 1209, 1395, 1443, 1665, 2015, 2405, 3441, 3627, 4329, 5735, 6045, 7215, 10323, 14911, 17205, 18135, 21645, 44733, 51615, 74555, 134199, 223665, 670995]

約数ペア:

[(1, 670995), (3, 223665), (5, 134199), (9, 74555), (13, 51615), (15, 44733), (31, 21645), (37, 18135), (39, 17205), (45, 14911), (65, 10323), (93, 7215), (111, 6045), (117, 5735), (155, 4329), (185, 3627), (195, 3441), (279, 2405), (333, 2015), (403, 1665), (465, 1443), (481, 1395), (555, 1209), (585, 1147)]