64864215

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{110879}}^1$

素因数の和:110903

約数の個数: 24

約数和(自身を含む): 121080960

約数和(自身を除く): 56216745

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 110879, 332637, 554395, 997911, 1441427, 1663185, 4324281, 4989555, 7207135, 12972843, 21621405, 64864215]

約数ペア:

[(1, 64864215), (3, 21621405), (5, 12972843), (9, 7207135), (13, 4989555), (15, 4324281), (39, 1663185), (45, 1441427), (65, 997911), (117, 554395), (195, 332637), (585, 110879)]