28464765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{647}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 52254720

約数和(自身を除く): 23789955

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 419, 647, 1257, 1941, 2095, 2933, 3235, 4529, 6285, 8799, 9705, 13587, 14665, 22645, 43995, 67935, 271093, 813279, 1355465, 1897651, 4066395, 5692953, 9488255, 28464765]

約数ペア:

[(1, 28464765), (3, 9488255), (5, 5692953), (7, 4066395), (15, 1897651), (21, 1355465), (35, 813279), (105, 271093), (419, 67935), (647, 43995), (1257, 22645), (1941, 14665), (2095, 13587), (2933, 9705), (3235, 8799), (4529, 6285)]