143641449

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1889}}^1$

素因数の和:1990

約数の個数: 48

約数和(自身を含む): 254741760

約数和(自身を除く): 111100311

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 71, 119, 153, 213, 357, 497, 639, 1071, 1207, 1491, 1889, 3621, 4473, 5667, 8449, 10863, 13223, 17001, 25347, 32113, 39669, 76041, 96339, 119007, 134119, 224791, 289017, 402357, 674373, 938833, 1207071, 2023119, 2280023, 2816499, 6840069, 8449497, 15960161, 20520207, 47880483, 143641449]

約数ペア:

[(1, 143641449), (3, 47880483), (7, 20520207), (9, 15960161), (17, 8449497), (21, 6840069), (51, 2816499), (63, 2280023), (71, 2023119), (119, 1207071), (153, 938833), (213, 674373), (357, 402357), (497, 289017), (639, 224791), (1071, 134119), (1207, 119007), (1491, 96339), (1889, 76041), (3621, 39669), (4473, 32113), (5667, 25347), (8449, 17001), (10863, 13223)]