28538925

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3491}}^1$

素因数の和:3613

約数の個数: 24

約数和(自身を含む): 47630880

約数和(自身を除く): 19091955

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 545, 1635, 2725, 3491, 8175, 10473, 17455, 52365, 87275, 261825, 380519, 1141557, 1902595, 5707785, 9512975, 28538925]

約数ペア:

[(1, 28538925), (3, 9512975), (5, 5707785), (15, 1902595), (25, 1141557), (75, 380519), (109, 261825), (327, 87275), (545, 52365), (1635, 17455), (2725, 10473), (3491, 8175)]