72397815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{40559}}^1$

素因数の和:40591

約数の個数: 32

約数和(自身を含む): 140175360

約数和(自身を除く): 67777545

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 40559, 121677, 202795, 283913, 608385, 689503, 851739, 1419565, 2068509, 3447515, 4258695, 4826521, 10342545, 14479563, 24132605, 72397815]

約数ペア:

[(1, 72397815), (3, 24132605), (5, 14479563), (7, 10342545), (15, 4826521), (17, 4258695), (21, 3447515), (35, 2068509), (51, 1419565), (85, 851739), (105, 689503), (119, 608385), (255, 283913), (357, 202795), (595, 121677), (1785, 40559)]