28969665

素因数分解:

$3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4481}}^1$

素因数の和:4920

約数の個数: 16

約数和(自身を含む): 46469376

約数和(自身を除く): 17499711

約数列:

[1, 3, 5, 15, 431, 1293, 2155, 4481, 6465, 13443, 22405, 67215, 1931311, 5793933, 9656555, 28969665]

約数ペア:

[(1, 28969665), (3, 9656555), (5, 5793933), (15, 1931311), (431, 67215), (1293, 22405), (2155, 13443), (4481, 6465)]