28749015

素因数分解:

$3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2081}}^1$

素因数の和:2399

約数の個数: 24

約数和(自身を含む): 50017968

約数和(自身を除く): 21268953

約数列:

[1, 3, 5, 9, 15, 45, 307, 921, 1535, 2081, 2763, 4605, 6243, 10405, 13815, 18729, 31215, 93645, 638867, 1916601, 3194335, 5749803, 9583005, 28749015]

約数ペア:

[(1, 28749015), (3, 9583005), (5, 5749803), (9, 3194335), (15, 1916601), (45, 638867), (307, 93645), (921, 31215), (1535, 18729), (2081, 13815), (2763, 10405), (4605, 6243)]