197715

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{269}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 369360

約数和(自身を除く): 171645

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 269, 735, 807, 1345, 1883, 4035, 5649, 9415, 13181, 28245, 39543, 65905, 197715]

約数ペア:

[(1, 197715), (3, 65905), (5, 39543), (7, 28245), (15, 13181), (21, 9415), (35, 5649), (49, 4035), (105, 1883), (147, 1345), (245, 807), (269, 735)]