28936257

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 45760512

約数和(自身を除く): 16824255

約数列:

[1, 3, 7, 21, 37, 111, 167, 223, 259, 501, 669, 777, 1169, 1561, 3507, 4683, 6179, 8251, 18537, 24753, 37241, 43253, 57757, 111723, 129759, 173271, 260687, 782061, 1377917, 4133751, 9645419, 28936257]

約数ペア:

[(1, 28936257), (3, 9645419), (7, 4133751), (21, 1377917), (37, 782061), (111, 260687), (167, 173271), (223, 129759), (259, 111723), (501, 57757), (669, 43253), (777, 37241), (1169, 24753), (1561, 18537), (3507, 8251), (4683, 6179)]