2012985

素因数分解:

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

素因数の和:95

約数の個数: 64

約数和(自身を含む): 4085760

約数和(自身を除く): 2072775

約数列:

[1, 3, 5, 9, 13, 15, 27, 31, 37, 39, 45, 65, 93, 111, 117, 135, 155, 185, 195, 279, 333, 351, 403, 465, 481, 555, 585, 837, 999, 1147, 1209, 1395, 1443, 1665, 1755, 2015, 2405, 3441, 3627, 4185, 4329, 4995, 5735, 6045, 7215, 10323, 10881, 12987, 14911, 17205, 18135, 21645, 30969, 44733, 51615, 54405, 64935, 74555, 134199, 154845, 223665, 402597, 670995, 2012985]

約数ペア:

[(1, 2012985), (3, 670995), (5, 402597), (9, 223665), (13, 154845), (15, 134199), (27, 74555), (31, 64935), (37, 54405), (39, 51615), (45, 44733), (65, 30969), (93, 21645), (111, 18135), (117, 17205), (135, 14911), (155, 12987), (185, 10881), (195, 10323), (279, 7215), (333, 6045), (351, 5735), (403, 4995), (465, 4329), (481, 4185), (555, 3627), (585, 3441), (837, 2405), (999, 2015), (1147, 1755), (1209, 1665), (1395, 1443)]