123157215

素因数分解:

$3^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{4153}}^1$

素因数の和:4823

約数の個数: 24

約数和(自身を含む): 213847920

約数和(自身を除く): 90690705

約数列:

[1, 3, 5, 9, 15, 45, 659, 1977, 3295, 4153, 5931, 9885, 12459, 20765, 29655, 37377, 62295, 186885, 2736827, 8210481, 13684135, 24631443, 41052405, 123157215]

約数ペア:

[(1, 123157215), (3, 41052405), (5, 24631443), (9, 13684135), (15, 8210481), (45, 2736827), (659, 186885), (1977, 62295), (3295, 37377), (4153, 29655), (5931, 20765), (9885, 12459)]