1999395

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 3500016

約数和(自身を除く): 1500621

約数列:

[1, 3, 5, 9, 15, 45, 157, 283, 471, 785, 849, 1413, 1415, 2355, 2547, 4245, 7065, 12735, 44431, 133293, 222155, 399879, 666465, 1999395]

約数ペア:

[(1, 1999395), (3, 666465), (5, 399879), (9, 222155), (15, 133293), (45, 44431), (157, 12735), (283, 7065), (471, 4245), (785, 2547), (849, 2355), (1413, 1415)]