12748905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:111

約数の個数: 96

約数和(自身を含む): 26557440

約数和(自身を除く): 13808535

約数列:

[1, 3, 5, 9, 13, 15, 19, 31, 37, 39, 45, 57, 65, 93, 95, 111, 117, 155, 171, 185, 195, 247, 279, 285, 333, 403, 465, 481, 555, 585, 589, 703, 741, 855, 1147, 1209, 1235, 1395, 1443, 1665, 1767, 2015, 2109, 2223, 2405, 2945, 3441, 3515, 3627, 3705, 4329, 5301, 5735, 6045, 6327, 7215, 7657, 8835, 9139, 10323, 10545, 11115, 14911, 17205, 18135, 21645, 21793, 22971, 26505, 27417, 31635, 38285, 44733, 45695, 51615, 65379, 68913, 74555, 82251, 108965, 114855, 134199, 137085, 196137, 223665, 283309, 326895, 344565, 411255, 670995, 849927, 980685, 1416545, 2549781, 4249635, 12748905]

約数ペア:

[(1, 12748905), (3, 4249635), (5, 2549781), (9, 1416545), (13, 980685), (15, 849927), (19, 670995), (31, 411255), (37, 344565), (39, 326895), (45, 283309), (57, 223665), (65, 196137), (93, 137085), (95, 134199), (111, 114855), (117, 108965), (155, 82251), (171, 74555), (185, 68913), (195, 65379), (247, 51615), (279, 45695), (285, 44733), (333, 38285), (403, 31635), (465, 27417), (481, 26505), (555, 22971), (585, 21793), (589, 21645), (703, 18135), (741, 17205), (855, 14911), (1147, 11115), (1209, 10545), (1235, 10323), (1395, 9139), (1443, 8835), (1665, 7657), (1767, 7215), (2015, 6327), (2109, 6045), (2223, 5735), (2405, 5301), (2945, 4329), (3441, 3705), (3515, 3627)]