1727271

素因数分解:

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

素因数の和:85

約数の個数: 64

約数和(自身を含む): 3404800

約数和(自身を除く): 1677529

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 37, 39, 57, 63, 91, 111, 117, 133, 171, 189, 247, 259, 273, 333, 351, 399, 481, 513, 703, 741, 777, 819, 999, 1197, 1443, 1729, 2109, 2223, 2331, 2457, 3367, 3591, 4329, 4921, 5187, 6327, 6669, 6993, 9139, 10101, 12987, 14763, 15561, 18981, 27417, 30303, 44289, 46683, 63973, 82251, 90909, 132867, 191919, 246753, 575757, 1727271]

約数ペア:

[(1, 1727271), (3, 575757), (7, 246753), (9, 191919), (13, 132867), (19, 90909), (21, 82251), (27, 63973), (37, 46683), (39, 44289), (57, 30303), (63, 27417), (91, 18981), (111, 15561), (117, 14763), (133, 12987), (171, 10101), (189, 9139), (247, 6993), (259, 6669), (273, 6327), (333, 5187), (351, 4921), (399, 4329), (481, 3591), (513, 3367), (703, 2457), (741, 2331), (777, 2223), (819, 2109), (999, 1729), (1197, 1443)]