210149145

素因数分解:

$3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{25801}}^1$

素因数の和:25993

約数の個数: 24

約数和(自身を含む): 366285192

約数和(自身を除く): 156136047

約数列:

[1, 3, 5, 9, 15, 45, 181, 543, 905, 1629, 2715, 8145, 25801, 77403, 129005, 232209, 387015, 1161045, 4669981, 14009943, 23349905, 42029829, 70049715, 210149145]

約数ペア:

[(1, 210149145), (3, 70049715), (5, 42029829), (9, 23349905), (15, 14009943), (45, 4669981), (181, 1161045), (543, 387015), (905, 232209), (1629, 129005), (2715, 77403), (8145, 25801)]