647527671

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 1197600768

約数和(自身を除く): 550073097

約数列:

[1, 3, 7, 9, 17, 21, 23, 51, 63, 69, 97, 119, 153, 161, 207, 271, 291, 357, 391, 483, 679, 813, 873, 1071, 1173, 1449, 1649, 1897, 2037, 2231, 2439, 2737, 3519, 4607, 4947, 5691, 6111, 6233, 6693, 8211, 11543, 13821, 14841, 15617, 17073, 18699, 20079, 24633, 26287, 32249, 34629, 37927, 41463, 43631, 46851, 56097, 78861, 96747, 103887, 105961, 113781, 130893, 140553, 184009, 236583, 265489, 290241, 317883, 341343, 392679, 446879, 552027, 604601, 741727, 796467, 953649, 1340637, 1656081, 1813803, 2225181, 2389401, 3128153, 4021911, 4232207, 5441409, 6675543, 9384459, 10278217, 12696621, 28153377, 30834651, 38089863, 71947519, 92503953, 215842557, 647527671]

約数ペア:

[(1, 647527671), (3, 215842557), (7, 92503953), (9, 71947519), (17, 38089863), (21, 30834651), (23, 28153377), (51, 12696621), (63, 10278217), (69, 9384459), (97, 6675543), (119, 5441409), (153, 4232207), (161, 4021911), (207, 3128153), (271, 2389401), (291, 2225181), (357, 1813803), (391, 1656081), (483, 1340637), (679, 953649), (813, 796467), (873, 741727), (1071, 604601), (1173, 552027), (1449, 446879), (1649, 392679), (1897, 341343), (2037, 317883), (2231, 290241), (2439, 265489), (2737, 236583), (3519, 184009), (4607, 140553), (4947, 130893), (5691, 113781), (6111, 105961), (6233, 103887), (6693, 96747), (8211, 78861), (11543, 56097), (13821, 46851), (14841, 43631), (15617, 41463), (17073, 37927), (18699, 34629), (20079, 32249), (24633, 26287)]