71741439

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:697

約数の個数: 72

約数和(自身を含む): 137434752

約数和(自身を除く): 65693313

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 49, 63, 69, 77, 99, 147, 161, 207, 231, 253, 441, 483, 539, 643, 693, 759, 1127, 1449, 1617, 1771, 1929, 2277, 3381, 4501, 4851, 5313, 5787, 7073, 10143, 12397, 13503, 14789, 15939, 21219, 31507, 37191, 40509, 44367, 49511, 63657, 94521, 103523, 111573, 133101, 148533, 162679, 283563, 310569, 346577, 445599, 488037, 724661, 931707, 1039731, 1138753, 1464111, 2173983, 3119193, 3416259, 6521949, 7971271, 10248777, 23913813, 71741439]

約数ペア:

[(1, 71741439), (3, 23913813), (7, 10248777), (9, 7971271), (11, 6521949), (21, 3416259), (23, 3119193), (33, 2173983), (49, 1464111), (63, 1138753), (69, 1039731), (77, 931707), (99, 724661), (147, 488037), (161, 445599), (207, 346577), (231, 310569), (253, 283563), (441, 162679), (483, 148533), (539, 133101), (643, 111573), (693, 103523), (759, 94521), (1127, 63657), (1449, 49511), (1617, 44367), (1771, 40509), (1929, 37191), (2277, 31507), (3381, 21219), (4501, 15939), (4851, 14789), (5313, 13503), (5787, 12397), (7073, 10143)]