26980551

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 45208800

約数和(自身を除く): 18228249

約数列:

[1, 3, 9, 13, 19, 39, 53, 57, 117, 159, 171, 229, 247, 477, 687, 689, 741, 1007, 2061, 2067, 2223, 2977, 3021, 4351, 6201, 8931, 9063, 12137, 13053, 13091, 26793, 36411, 39159, 39273, 56563, 109233, 117819, 157781, 169689, 230603, 473343, 509067, 691809, 1420029, 2075427, 2997839, 8993517, 26980551]

約数ペア:

[(1, 26980551), (3, 8993517), (9, 2997839), (13, 2075427), (19, 1420029), (39, 691809), (53, 509067), (57, 473343), (117, 230603), (159, 169689), (171, 157781), (229, 117819), (247, 109233), (477, 56563), (687, 39273), (689, 39159), (741, 36411), (1007, 26793), (2061, 13091), (2067, 13053), (2223, 12137), (2977, 9063), (3021, 8931), (4351, 6201)]