71581797

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{8543}}^1$

素因数の和:8582

約数の個数: 36

約数和(自身を含む): 126622080

約数和(自身を除く): 55040283

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 8543, 25629, 59801, 76887, 162317, 179403, 418607, 486951, 538209, 1136219, 1255821, 1460853, 3408657, 3767463, 7953533, 10225971, 23860599, 71581797]

約数ペア:

[(1, 71581797), (3, 23860599), (7, 10225971), (9, 7953533), (19, 3767463), (21, 3408657), (49, 1460853), (57, 1255821), (63, 1136219), (133, 538209), (147, 486951), (171, 418607), (399, 179403), (441, 162317), (931, 76887), (1197, 59801), (2793, 25629), (8379, 8543)]