213510015

素因数分解:

$3^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{2927}}^1$

素因数の和:4559

約数の個数: 24

約数和(自身を含む): 370438848

約数和(自身を除く): 156928833

約数列:

[1, 3, 5, 9, 15, 45, 1621, 2927, 4863, 8105, 8781, 14589, 14635, 24315, 26343, 43905, 72945, 131715, 4744667, 14234001, 23723335, 42702003, 71170005, 213510015]

約数ペア:

[(1, 213510015), (3, 71170005), (5, 42702003), (9, 23723335), (15, 14234001), (45, 4744667), (1621, 131715), (2927, 72945), (4863, 43905), (8105, 26343), (8781, 24315), (14589, 14635)]