40688571

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{25163}}^1$

素因数の和:25191

約数の個数: 24

約数和(自身を含む): 68848704

約数和(自身を除く): 28160133

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 25163, 75489, 176141, 276793, 528423, 830379, 1232987, 1937551, 3698961, 5812653, 13562857, 40688571]

約数ペア:

[(1, 40688571), (3, 13562857), (7, 5812653), (11, 3698961), (21, 1937551), (33, 1232987), (49, 830379), (77, 528423), (147, 276793), (231, 176141), (539, 75489), (1617, 25163)]