56973231

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 103076064

約数和(自身を除く): 46102833

約数列:

[1, 3, 7, 9, 21, 23, 41, 49, 63, 69, 123, 137, 147, 161, 207, 287, 369, 411, 441, 483, 861, 943, 959, 1127, 1233, 1449, 2009, 2583, 2829, 2877, 3151, 3381, 5617, 6027, 6601, 6713, 8487, 8631, 9453, 10143, 16851, 18081, 19803, 20139, 22057, 28359, 39319, 46207, 50553, 59409, 60417, 66171, 117957, 129191, 138621, 154399, 198513, 275233, 353871, 387573, 415863, 463197, 825699, 904337, 1162719, 1389591, 2477097, 2713011, 6330359, 8139033, 18991077, 56973231]

約数ペア:

[(1, 56973231), (3, 18991077), (7, 8139033), (9, 6330359), (21, 2713011), (23, 2477097), (41, 1389591), (49, 1162719), (63, 904337), (69, 825699), (123, 463197), (137, 415863), (147, 387573), (161, 353871), (207, 275233), (287, 198513), (369, 154399), (411, 138621), (441, 129191), (483, 117957), (861, 66171), (943, 60417), (959, 59409), (1127, 50553), (1233, 46207), (1449, 39319), (2009, 28359), (2583, 22057), (2829, 20139), (2877, 19803), (3151, 18081), (3381, 16851), (5617, 10143), (6027, 9453), (6601, 8631), (6713, 8487)]