81947151

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1553}}^1$

素因数の和:1624

約数の個数: 48

約数和(自身を含む): 142545312

約数和(自身を除く): 60598161

約数列:

[1, 3, 9, 11, 13, 33, 39, 41, 99, 117, 123, 143, 369, 429, 451, 533, 1287, 1353, 1553, 1599, 4059, 4659, 4797, 5863, 13977, 17083, 17589, 20189, 51249, 52767, 60567, 63673, 153747, 181701, 191019, 222079, 573057, 666237, 700403, 827749, 1998711, 2101209, 2483247, 6303627, 7449741, 9105239, 27315717, 81947151]

約数ペア:

[(1, 81947151), (3, 27315717), (9, 9105239), (11, 7449741), (13, 6303627), (33, 2483247), (39, 2101209), (41, 1998711), (99, 827749), (117, 700403), (123, 666237), (143, 573057), (369, 222079), (429, 191019), (451, 181701), (533, 153747), (1287, 63673), (1353, 60567), (1553, 52767), (1599, 51249), (4059, 20189), (4659, 17589), (4797, 17083), (5863, 13977)]