17219709

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:133

約数の個数: 56

約数和(自身を含む): 29379840

約数和(自身を除く): 12160131

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 79, 81, 117, 207, 237, 243, 299, 351, 621, 711, 729, 897, 1027, 1053, 1817, 1863, 2133, 2691, 3081, 3159, 5451, 5589, 6399, 8073, 9243, 9477, 16353, 16767, 19197, 23621, 24219, 27729, 49059, 57591, 70863, 72657, 83187, 147177, 212589, 217971, 249561, 441531, 637767, 748683, 1324593, 1913301, 5739903, 17219709]

約数ペア:

[(1, 17219709), (3, 5739903), (9, 1913301), (13, 1324593), (23, 748683), (27, 637767), (39, 441531), (69, 249561), (79, 217971), (81, 212589), (117, 147177), (207, 83187), (237, 72657), (243, 70863), (299, 57591), (351, 49059), (621, 27729), (711, 24219), (729, 23621), (897, 19197), (1027, 16767), (1053, 16353), (1817, 9477), (1863, 9243), (2133, 8073), (2691, 6399), (3081, 5589), (3159, 5451)]