15715917

素因数分解:

$3^3\times 7^3\times {\mathrm{1697}}^1$

素因数の和:1727

約数の個数: 32

約数和(自身を含む): 27168000

約数和(自身を除く): 11452083

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 1697, 3087, 5091, 9261, 11879, 15273, 35637, 45819, 83153, 106911, 249459, 320733, 582071, 748377, 1746213, 2245131, 5238639, 15715917]

約数ペア:

[(1, 15715917), (3, 5238639), (7, 2245131), (9, 1746213), (21, 748377), (27, 582071), (49, 320733), (63, 249459), (147, 106911), (189, 83153), (343, 45819), (441, 35637), (1029, 15273), (1323, 11879), (1697, 9261), (3087, 5091)]