31272843

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{349}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 50803200

約数和(自身を除く): 19530357

約数列:

[1, 3, 7, 17, 21, 51, 119, 251, 349, 357, 753, 1047, 1757, 2443, 4267, 5271, 5933, 7329, 12801, 17799, 29869, 41531, 87599, 89607, 124593, 262797, 613193, 1489183, 1839579, 4467549, 10424281, 31272843]

約数ペア:

[(1, 31272843), (3, 10424281), (7, 4467549), (17, 1839579), (21, 1489183), (51, 613193), (119, 262797), (251, 124593), (349, 89607), (357, 87599), (753, 41531), (1047, 29869), (1757, 17799), (2443, 12801), (4267, 7329), (5271, 5933)]