290343963

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1109}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 488950560

約数和(自身を除く): 198606597

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 137, 147, 273, 411, 637, 959, 1109, 1781, 1911, 2877, 3327, 5343, 6713, 7763, 12467, 14417, 20139, 23289, 37401, 43251, 54341, 87269, 100919, 151933, 163023, 261807, 302757, 455799, 706433, 1063531, 1975129, 2119299, 3190593, 5925387, 7444717, 13825903, 22334151, 41477709, 96781321, 290343963]

約数ペア:

[(1, 290343963), (3, 96781321), (7, 41477709), (13, 22334151), (21, 13825903), (39, 7444717), (49, 5925387), (91, 3190593), (137, 2119299), (147, 1975129), (273, 1063531), (411, 706433), (637, 455799), (959, 302757), (1109, 261807), (1781, 163023), (1911, 151933), (2877, 100919), (3327, 87269), (5343, 54341), (6713, 43251), (7763, 37401), (12467, 23289), (14417, 20139)]