201978915

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{328421}}^1$

素因数の和:328470

約数の個数: 16

約数和(自身を含む): 331049376

約数和(自身を除く): 129070461

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 328421, 985263, 1642105, 4926315, 13465261, 40395783, 67326305, 201978915]

約数ペア:

[(1, 201978915), (3, 67326305), (5, 40395783), (15, 13465261), (41, 4926315), (123, 1642105), (205, 985263), (615, 328421)]