208322517

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6857}}^1$

素因数の和:6933

約数の個数: 32

約数和(自身を含む): 322600320

約数和(自身を除く): 114277803

約数列:

[1, 3, 13, 19, 39, 41, 57, 123, 247, 533, 741, 779, 1599, 2337, 6857, 10127, 20571, 30381, 89141, 130283, 267423, 281137, 390849, 843411, 1693679, 3654781, 5081037, 5341603, 10964343, 16024809, 69440839, 208322517]

約数ペア:

[(1, 208322517), (3, 69440839), (13, 16024809), (19, 10964343), (39, 5341603), (41, 5081037), (57, 3654781), (123, 1693679), (247, 843411), (533, 390849), (741, 281137), (779, 267423), (1599, 130283), (2337, 89141), (6857, 30381), (10127, 20571)]