8140419

素因数分解:

$3^4\times 7^3\times {\mathrm{293}}^1$

素因数の和:326

約数の個数: 40

約数和(自身を含む): 14229600

約数和(自身を除く): 6089181

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 293, 343, 441, 567, 879, 1029, 1323, 2051, 2637, 3087, 3969, 6153, 7911, 9261, 14357, 18459, 23733, 27783, 43071, 55377, 100499, 129213, 166131, 301497, 387639, 904491, 1162917, 2713473, 8140419]

約数ペア:

[(1, 8140419), (3, 2713473), (7, 1162917), (9, 904491), (21, 387639), (27, 301497), (49, 166131), (63, 129213), (81, 100499), (147, 55377), (189, 43071), (293, 27783), (343, 23733), (441, 18459), (567, 14357), (879, 9261), (1029, 7911), (1323, 6153), (2051, 3969), (2637, 3087)]