201231315

素因数分解:

$3^2\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{2689}}^1$

素因数の和:4363

約数の個数: 24

約数和(自身を含む): 349140480

約数和(自身を除く): 147909165

約数列:

[1, 3, 5, 9, 15, 45, 1663, 2689, 4989, 8067, 8315, 13445, 14967, 24201, 24945, 40335, 74835, 121005, 4471807, 13415421, 22359035, 40246263, 67077105, 201231315]

約数ペア:

[(1, 201231315), (3, 67077105), (5, 40246263), (9, 22359035), (15, 13415421), (45, 4471807), (1663, 121005), (2689, 74835), (4989, 40335), (8067, 24945), (8315, 24201), (13445, 14967)]