128897037

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{541}}^1\times {\mathrm{1151}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 194807808

約数和(自身を除く): 65910771

約数列:

[1, 3, 9, 23, 69, 207, 541, 1151, 1623, 3453, 4869, 10359, 12443, 26473, 37329, 79419, 111987, 238257, 622691, 1868073, 5604219, 14321893, 42965679, 128897037]

約数ペア:

[(1, 128897037), (3, 42965679), (9, 14321893), (23, 5604219), (69, 1868073), (207, 622691), (541, 238257), (1151, 111987), (1623, 79419), (3453, 37329), (4869, 26473), (10359, 12443)]