201672135

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{640229}}^1$

素因数の和:640247

約数の個数: 24

約数和(自身を含む): 399503520

約数和(自身を除く): 197831385

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 640229, 1920687, 3201145, 4481603, 5762061, 9603435, 13444809, 22408015, 28810305, 40334427, 67224045, 201672135]

約数ペア:

[(1, 201672135), (3, 67224045), (5, 40334427), (7, 28810305), (9, 22408015), (15, 13444809), (21, 9603435), (35, 5762061), (45, 4481603), (63, 3201145), (105, 1920687), (315, 640229)]