2291289

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 4213440

約数和(自身を除く): 1922151

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 109, 143, 147, 231, 273, 327, 429, 539, 637, 763, 1001, 1199, 1417, 1617, 1911, 2289, 3003, 3597, 4251, 5341, 7007, 8393, 9919, 15587, 16023, 21021, 25179, 29757, 46761, 58751, 69433, 109109, 176253, 208299, 327327, 763763, 2291289]

約数ペア:

[(1, 2291289), (3, 763763), (7, 327327), (11, 208299), (13, 176253), (21, 109109), (33, 69433), (39, 58751), (49, 46761), (77, 29757), (91, 25179), (109, 21021), (143, 16023), (147, 15587), (231, 9919), (273, 8393), (327, 7007), (429, 5341), (539, 4251), (637, 3597), (763, 3003), (1001, 2289), (1199, 1911), (1417, 1617)]