221450925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{173687}}^1$

素因数の和:173717

約数の個数: 24

約数和(自身を含む): 387671616

約数和(自身を除く): 166220691

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 173687, 521061, 868435, 2605305, 2952679, 4342175, 8858037, 13026525, 14763395, 44290185, 73816975, 221450925]

約数ペア:

[(1, 221450925), (3, 73816975), (5, 44290185), (15, 14763395), (17, 13026525), (25, 8858037), (51, 4342175), (75, 2952679), (85, 2605305), (255, 868435), (425, 521061), (1275, 173687)]