12890115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 25798656

約数和(自身を除く): 12908541

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 151, 271, 315, 453, 755, 813, 1057, 1355, 1359, 1897, 2265, 2439, 3171, 4065, 5285, 5691, 6795, 9485, 9513, 12195, 15855, 17073, 28455, 40921, 47565, 85365, 122763, 204605, 286447, 368289, 613815, 859341, 1432235, 1841445, 2578023, 4296705, 12890115]

約数ペア:

[(1, 12890115), (3, 4296705), (5, 2578023), (7, 1841445), (9, 1432235), (15, 859341), (21, 613815), (35, 368289), (45, 286447), (63, 204605), (105, 122763), (151, 85365), (271, 47565), (315, 40921), (453, 28455), (755, 17073), (813, 15855), (1057, 12195), (1355, 9513), (1359, 9485), (1897, 6795), (2265, 5691), (2439, 5285), (3171, 4065)]