172359621

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{463}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 301117440

約数和(自身を除く): 128757819

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 311, 399, 463, 933, 1197, 1389, 2177, 2799, 3241, 4167, 5909, 6531, 8797, 9723, 17727, 19593, 26391, 29169, 41363, 53181, 61579, 79173, 124089, 143993, 184737, 372267, 431979, 554211, 1007951, 1295937, 2735867, 3023853, 8207601, 9071559, 19151069, 24622803, 57453207, 172359621]

約数ペア:

[(1, 172359621), (3, 57453207), (7, 24622803), (9, 19151069), (19, 9071559), (21, 8207601), (57, 3023853), (63, 2735867), (133, 1295937), (171, 1007951), (311, 554211), (399, 431979), (463, 372267), (933, 184737), (1197, 143993), (1389, 124089), (2177, 79173), (2799, 61579), (3241, 53181), (4167, 41363), (5909, 29169), (6531, 26391), (8797, 19593), (9723, 17727)]