215014779

素因数分解:

$3^2\times 7^1\times {\mathrm{1229}}^1\times {\mathrm{2777}}^1$

素因数の和:4019

約数の個数: 24

約数和(自身を含む): 355361760

約数和(自身を除く): 140346981

約数列:

[1, 3, 7, 9, 21, 63, 1229, 2777, 3687, 8331, 8603, 11061, 19439, 24993, 25809, 58317, 77427, 174951, 3412933, 10238799, 23890531, 30716397, 71671593, 215014779]

約数ペア:

[(1, 215014779), (3, 71671593), (7, 30716397), (9, 23890531), (21, 10238799), (63, 3412933), (1229, 174951), (2777, 77427), (3687, 58317), (8331, 25809), (8603, 24993), (11061, 19439)]