40087305

素因数分解:

$3^4\times 5^1\times {\mathrm{98981}}^1$

素因数の和:98998

約数の個数: 20

約数和(自身を含む): 71860932

約数和(自身を除く): 31773627

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 98981, 296943, 494905, 890829, 1484715, 2672487, 4454145, 8017461, 13362435, 40087305]

約数ペア:

[(1, 40087305), (3, 13362435), (5, 8017461), (9, 4454145), (15, 2672487), (27, 1484715), (45, 890829), (81, 494905), (135, 296943), (405, 98981)]