201231405

素因数分解:

$3^3\times 5^1\times {\mathrm{1490603}}^1$

素因数の和:1490617

約数の個数: 16

約数和(自身を含む): 357744960

約数和(自身を除く): 156513555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1490603, 4471809, 7453015, 13415427, 22359045, 40246281, 67077135, 201231405]

約数ペア:

[(1, 201231405), (3, 67077135), (5, 40246281), (9, 22359045), (15, 13415427), (27, 7453015), (45, 4471809), (135, 1490603)]