9863945

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 15704640

約数和(自身を除く): 5840695

約数列:

[1, 5, 7, 13, 19, 35, 49, 65, 91, 95, 133, 163, 245, 247, 455, 637, 665, 815, 931, 1141, 1235, 1729, 2119, 3097, 3185, 4655, 5705, 7987, 8645, 10595, 12103, 14833, 15485, 21679, 39935, 40261, 60515, 74165, 103831, 108395, 151753, 201305, 281827, 519155, 758765, 1409135, 1972789, 9863945]

約数ペア:

[(1, 9863945), (5, 1972789), (7, 1409135), (13, 758765), (19, 519155), (35, 281827), (49, 201305), (65, 151753), (91, 108395), (95, 103831), (133, 74165), (163, 60515), (245, 40261), (247, 39935), (455, 21679), (637, 15485), (665, 14833), (815, 12103), (931, 10595), (1141, 8645), (1235, 7987), (1729, 5705), (2119, 4655), (3097, 3185)]