201153015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{638581}}^1$

素因数の和:638599

約数の個数: 24

約数和(自身を含む): 398475168

約数和(自身を除く): 197322153

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 638581, 1915743, 3192905, 4470067, 5747229, 9578715, 13410201, 22350335, 28736145, 40230603, 67051005, 201153015]

約数ペア:

[(1, 201153015), (3, 67051005), (5, 40230603), (7, 28736145), (9, 22350335), (15, 13410201), (21, 9578715), (35, 5747229), (45, 4470067), (63, 3192905), (105, 1915743), (315, 638581)]