28213815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1609}}^1$

素因数の和:1791

約数の個数: 32

約数和(自身を含む): 51932160

約数和(自身を除く): 23718345

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 167, 501, 835, 1169, 1609, 2505, 3507, 4827, 5845, 8045, 11263, 17535, 24135, 33789, 56315, 168945, 268703, 806109, 1343515, 1880921, 4030545, 5642763, 9404605, 28213815]

約数ペア:

[(1, 28213815), (3, 9404605), (5, 5642763), (7, 4030545), (15, 1880921), (21, 1343515), (35, 806109), (105, 268703), (167, 168945), (501, 56315), (835, 33789), (1169, 24135), (1609, 17535), (2505, 11263), (3507, 8045), (4827, 5845)]