575757

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 48

約数和(自身を含む): 1106560

約数和(自身を除く): 530803

約数列:

[1, 3, 7, 9, 13, 19, 21, 37, 39, 57, 63, 91, 111, 117, 133, 171, 247, 259, 273, 333, 399, 481, 703, 741, 777, 819, 1197, 1443, 1729, 2109, 2223, 2331, 3367, 4329, 4921, 5187, 6327, 9139, 10101, 14763, 15561, 27417, 30303, 44289, 63973, 82251, 191919, 575757]

約数ペア:

[(1, 575757), (3, 191919), (7, 82251), (9, 63973), (13, 44289), (19, 30303), (21, 27417), (37, 15561), (39, 14763), (57, 10101), (63, 9139), (91, 6327), (111, 5187), (117, 4921), (133, 4329), (171, 3367), (247, 2331), (259, 2223), (273, 2109), (333, 1729), (399, 1443), (481, 1197), (703, 819), (741, 777)]