208083135

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{7789}}^1$

素因数の和:7947

約数の個数: 32

約数和(自身を含む): 361206720

約数和(自身を除く): 153123585

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 685, 1781, 2055, 5343, 7789, 8905, 23367, 26715, 38945, 101257, 116835, 303771, 506285, 1067093, 1518855, 3201279, 5335465, 13872209, 16006395, 41616627, 69361045, 208083135]

約数ペア:

[(1, 208083135), (3, 69361045), (5, 41616627), (13, 16006395), (15, 13872209), (39, 5335465), (65, 3201279), (137, 1518855), (195, 1067093), (411, 506285), (685, 303771), (1781, 116835), (2055, 101257), (5343, 38945), (7789, 26715), (8905, 23367)]