71512455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{40063}}^1$

素因数の和:40095

約数の個数: 32

約数和(自身を含む): 138461184

約数和(自身を除く): 66948729

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 40063, 120189, 200315, 280441, 600945, 681071, 841323, 1402205, 2043213, 3405355, 4206615, 4767497, 10216065, 14302491, 23837485, 71512455]

約数ペア:

[(1, 71512455), (3, 23837485), (5, 14302491), (7, 10216065), (15, 4767497), (17, 4206615), (21, 3405355), (35, 2043213), (51, 1402205), (85, 841323), (105, 681071), (119, 600945), (255, 280441), (357, 200315), (595, 120189), (1785, 40063)]