172744257

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 284835840

約数和(自身を除く): 112091583

約数列:

[1, 3, 7, 19, 21, 49, 57, 127, 133, 147, 381, 399, 487, 889, 931, 1461, 2413, 2667, 2793, 3409, 6223, 7239, 9253, 10227, 16891, 18669, 23863, 27759, 50673, 61849, 64771, 71589, 118237, 185547, 194313, 354711, 432943, 453397, 1175131, 1298829, 1360191, 3030601, 3525393, 8225917, 9091803, 24677751, 57581419, 172744257]

約数ペア:

[(1, 172744257), (3, 57581419), (7, 24677751), (19, 9091803), (21, 8225917), (49, 3525393), (57, 3030601), (127, 1360191), (133, 1298829), (147, 1175131), (381, 453397), (399, 432943), (487, 354711), (889, 194313), (931, 185547), (1461, 118237), (2413, 71589), (2667, 64771), (2793, 61849), (3409, 50673), (6223, 27759), (7239, 23863), (9253, 18669), (10227, 16891)]