788272245

素因数分解:

$3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{26501}}^1$

素因数の和:27173

約数の個数: 24

約数和(自身を含む): 1368457272

約数和(自身を除く): 580185027

約数列:

[1, 3, 5, 9, 15, 45, 661, 1983, 3305, 5949, 9915, 26501, 29745, 79503, 132505, 238509, 397515, 1192545, 17517161, 52551483, 87585805, 157654449, 262757415, 788272245]

約数ペア:

[(1, 788272245), (3, 262757415), (5, 157654449), (9, 87585805), (15, 52551483), (45, 17517161), (661, 1192545), (1983, 397515), (3305, 238509), (5949, 132505), (9915, 79503), (26501, 29745)]