28249455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{457}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 48936384

約数和(自身を除く): 20686929

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 317, 457, 951, 1371, 1585, 2285, 4121, 4755, 5941, 6855, 12363, 17823, 20605, 29705, 61815, 89115, 144869, 434607, 724345, 1883297, 2173035, 5649891, 9416485, 28249455]

約数ペア:

[(1, 28249455), (3, 9416485), (5, 5649891), (13, 2173035), (15, 1883297), (39, 724345), (65, 434607), (195, 144869), (317, 89115), (457, 61815), (951, 29705), (1371, 20605), (1585, 17823), (2285, 12363), (4121, 6855), (4755, 5941)]