28828485

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 57957120

約数和(自身を除く): 29128635

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 71, 105, 213, 315, 355, 497, 639, 1065, 1289, 1491, 2485, 3195, 3867, 4473, 6445, 7455, 9023, 11601, 19335, 22365, 27069, 45115, 58005, 81207, 91519, 135345, 274557, 406035, 457595, 640633, 823671, 1372785, 1921899, 3203165, 4118355, 5765697, 9609495, 28828485]

約数ペア:

[(1, 28828485), (3, 9609495), (5, 5765697), (7, 4118355), (9, 3203165), (15, 1921899), (21, 1372785), (35, 823671), (45, 640633), (63, 457595), (71, 406035), (105, 274557), (213, 135345), (315, 91519), (355, 81207), (497, 58005), (639, 45115), (1065, 27069), (1289, 22365), (1491, 19335), (2485, 11601), (3195, 9023), (3867, 7455), (4473, 6445)]