9959985

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{4517}}^1$

素因数の和:4542

約数の個数: 36

約数和(自身を含む): 20087028

約数和(自身を除く): 10127043

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 4517, 13551, 22585, 31619, 40653, 67755, 94857, 158095, 203265, 221333, 284571, 474285, 663999, 1106665, 1422855, 1991997, 3319995, 9959985]

約数ペア:

[(1, 9959985), (3, 3319995), (5, 1991997), (7, 1422855), (9, 1106665), (15, 663999), (21, 474285), (35, 284571), (45, 221333), (49, 203265), (63, 158095), (105, 94857), (147, 67755), (245, 40653), (315, 31619), (441, 22585), (735, 13551), (2205, 4517)]