778887291

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{9941}}^1$

素因数の和:10012

約数の個数: 48

約数和(自身を含む): 1332864288

約数和(自身を除く): 553976997

約数列:

[1, 3, 7, 13, 21, 39, 41, 49, 91, 123, 147, 273, 287, 533, 637, 861, 1599, 1911, 2009, 3731, 6027, 9941, 11193, 26117, 29823, 69587, 78351, 129233, 208761, 387699, 407581, 487109, 904631, 1222743, 1461327, 2713893, 2853067, 5298553, 6332417, 8559201, 15895659, 18997251, 19971469, 37089871, 59914407, 111269613, 259629097, 778887291]

約数ペア:

[(1, 778887291), (3, 259629097), (7, 111269613), (13, 59914407), (21, 37089871), (39, 19971469), (41, 18997251), (49, 15895659), (91, 8559201), (123, 6332417), (147, 5298553), (273, 2853067), (287, 2713893), (533, 1461327), (637, 1222743), (861, 904631), (1599, 487109), (1911, 407581), (2009, 387699), (3731, 208761), (6027, 129233), (9941, 78351), (11193, 69587), (26117, 29823)]