71567120781

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{7019}}^1$

素因数の和:7488

約数の個数: 80

約数和(自身を含む): 120440960640

約数和(自身を除く): 48873839859

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 299, 351, 421, 621, 897, 1053, 1263, 1863, 2691, 3789, 5473, 7019, 8073, 9683, 11367, 16419, 21057, 24219, 29049, 34101, 49257, 63171, 87147, 91247, 125879, 147771, 161437, 189513, 261441, 273741, 377637, 443313, 484311, 568539, 784323, 821223, 1132911, 1452933, 2098681, 2463669, 2954999, 3398733, 4358799, 6296043, 7391007, 8864997, 10196199, 13076397, 18888129, 26594991, 38414987, 56664387, 67964977, 79784973, 115244961, 169993161, 203894931, 239354919, 345734883, 611684793, 883544701, 1037204649, 1835054379, 2650634103, 3111613947, 5505163137, 7951902309, 23855706927, 71567120781]

約数ペア:

[(1, 71567120781), (3, 23855706927), (9, 7951902309), (13, 5505163137), (23, 3111613947), (27, 2650634103), (39, 1835054379), (69, 1037204649), (81, 883544701), (117, 611684793), (207, 345734883), (299, 239354919), (351, 203894931), (421, 169993161), (621, 115244961), (897, 79784973), (1053, 67964977), (1263, 56664387), (1863, 38414987), (2691, 26594991), (3789, 18888129), (5473, 13076397), (7019, 10196199), (8073, 8864997), (9683, 7391007), (11367, 6296043), (16419, 4358799), (21057, 3398733), (24219, 2954999), (29049, 2463669), (34101, 2098681), (49257, 1452933), (63171, 1132911), (87147, 821223), (91247, 784323), (125879, 568539), (147771, 484311), (161437, 443313), (189513, 377637), (261441, 273741)]