7266987

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 13628160

約数和(自身を除く): 6361173

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 467, 741, 819, 1197, 1401, 1729, 2223, 3269, 4203, 5187, 6071, 8873, 9807, 15561, 18213, 26619, 29421, 42497, 54639, 62111, 79857, 115349, 127491, 186333, 346047, 382473, 558999, 807443, 1038141, 2422329, 7266987]

約数ペア:

[(1, 7266987), (3, 2422329), (7, 1038141), (9, 807443), (13, 558999), (19, 382473), (21, 346047), (39, 186333), (57, 127491), (63, 115349), (91, 79857), (117, 62111), (133, 54639), (171, 42497), (247, 29421), (273, 26619), (399, 18213), (467, 15561), (741, 9807), (819, 8873), (1197, 6071), (1401, 5187), (1729, 4203), (2223, 3269)]