201342015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{639181}}^1$

素因数の和:639199

約数の個数: 24

約数和(自身を含む): 398849568

約数和(自身を除く): 197507553

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 639181, 1917543, 3195905, 4474267, 5752629, 9587715, 13422801, 22371335, 28763145, 40268403, 67114005, 201342015]

約数ペア:

[(1, 201342015), (3, 67114005), (5, 40268403), (7, 28763145), (9, 22371335), (15, 13422801), (21, 9587715), (35, 5752629), (45, 4474267), (63, 3195905), (105, 1917543), (315, 639181)]