31671969

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1123}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 51793920

約数和(自身を除く): 20121951

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 357, 553, 1123, 1343, 1659, 3369, 4029, 7861, 9401, 19091, 23583, 28203, 57273, 88717, 133637, 266151, 400911, 621019, 1508189, 1863057, 4524567, 10557323, 31671969]

約数ペア:

[(1, 31671969), (3, 10557323), (7, 4524567), (17, 1863057), (21, 1508189), (51, 621019), (79, 400911), (119, 266151), (237, 133637), (357, 88717), (553, 57273), (1123, 28203), (1343, 23583), (1659, 19091), (3369, 9401), (4029, 7861)]