15020215

素因数分解:

$5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 21209472

約数和(自身を除く): 6189257

約数列:

[1, 5, 7, 35, 49, 101, 245, 505, 607, 707, 3035, 3535, 4249, 4949, 21245, 24745, 29743, 61307, 148715, 306535, 429149, 2145745, 3004043, 15020215]

約数ペア:

[(1, 15020215), (5, 3004043), (7, 2145745), (35, 429149), (49, 306535), (101, 148715), (245, 61307), (505, 29743), (607, 24745), (707, 21245), (3035, 4949), (3535, 4249)]