2656143

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:356

約数の個数: 36

約数和(自身を含む): 4712760

約数和(自身を除く): 2056617

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 317, 399, 441, 931, 951, 1197, 2219, 2793, 2853, 6023, 6657, 8379, 15533, 18069, 19971, 42161, 46599, 54207, 126483, 139797, 295127, 379449, 885381, 2656143]

約数ペア:

[(1, 2656143), (3, 885381), (7, 379449), (9, 295127), (19, 139797), (21, 126483), (49, 54207), (57, 46599), (63, 42161), (133, 19971), (147, 18069), (171, 15533), (317, 8379), (399, 6657), (441, 6023), (931, 2853), (951, 2793), (1197, 2219)]