1642713219

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 2871787776

約数和(自身を除く): 1229074557

約数列:

[1, 3, 7, 9, 21, 31, 43, 63, 93, 129, 217, 279, 301, 387, 631, 651, 903, 961, 1333, 1893, 1953, 2709, 2883, 3999, 4417, 5679, 6727, 8649, 9331, 11997, 13251, 19561, 20181, 27133, 27993, 39753, 41323, 58683, 60543, 81399, 83979, 123969, 136927, 176049, 189931, 244197, 289261, 371907, 410781, 569793, 606391, 841123, 867783, 1232343, 1709379, 1819173, 2523369, 2603349, 4244737, 5457519, 5887861, 7570107, 12734211, 17663583, 26074813, 38202633, 52990749, 78224439, 182523691, 234673317, 547571073, 1642713219]

約数ペア:

[(1, 1642713219), (3, 547571073), (7, 234673317), (9, 182523691), (21, 78224439), (31, 52990749), (43, 38202633), (63, 26074813), (93, 17663583), (129, 12734211), (217, 7570107), (279, 5887861), (301, 5457519), (387, 4244737), (631, 2603349), (651, 2523369), (903, 1819173), (961, 1709379), (1333, 1232343), (1893, 867783), (1953, 841123), (2709, 606391), (2883, 569793), (3999, 410781), (4417, 371907), (5679, 289261), (6727, 244197), (8649, 189931), (9331, 176049), (11997, 136927), (13251, 123969), (19561, 83979), (20181, 81399), (27133, 60543), (27993, 58683), (39753, 41323)]