26977587

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 47496960

約数和(自身を除く): 20519373

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 247, 273, 399, 637, 741, 743, 931, 1729, 1911, 2229, 2793, 5187, 5201, 9659, 12103, 14117, 15603, 28977, 36309, 36407, 42351, 67613, 98819, 109221, 183521, 202839, 296457, 473291, 550563, 691733, 1284647, 1419873, 2075199, 3853941, 8992529, 26977587]

約数ペア:

[(1, 26977587), (3, 8992529), (7, 3853941), (13, 2075199), (19, 1419873), (21, 1284647), (39, 691733), (49, 550563), (57, 473291), (91, 296457), (133, 202839), (147, 183521), (247, 109221), (273, 98819), (399, 67613), (637, 42351), (741, 36407), (743, 36309), (931, 28977), (1729, 15603), (1911, 14117), (2229, 12103), (2793, 9659), (5187, 5201)]