138977805

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{17581}}^1$

素因数の和:17637

約数の個数: 32

約数和(自身を含む): 243053568

約数和(自身を除く): 104075763

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2635, 7905, 17581, 52743, 87905, 263715, 298877, 545011, 896631, 1494385, 1635033, 2725055, 4483155, 8175165, 9265187, 27795561, 46325935, 138977805]

約数ペア:

[(1, 138977805), (3, 46325935), (5, 27795561), (15, 9265187), (17, 8175165), (31, 4483155), (51, 2725055), (85, 1635033), (93, 1494385), (155, 896631), (255, 545011), (465, 298877), (527, 263715), (1581, 87905), (2635, 52743), (7905, 17581)]