28162953

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 50633856

約数和(自身を除く): 22470903

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 137, 251, 273, 411, 753, 819, 959, 1233, 1757, 1781, 2259, 2877, 3263, 5271, 5343, 8631, 9789, 12467, 15813, 16029, 22841, 29367, 34387, 37401, 68523, 103161, 112203, 205569, 240709, 309483, 447031, 722127, 1341093, 2166381, 3129217, 4023279, 9387651, 28162953]

約数ペア:

[(1, 28162953), (3, 9387651), (7, 4023279), (9, 3129217), (13, 2166381), (21, 1341093), (39, 722127), (63, 447031), (91, 309483), (117, 240709), (137, 205569), (251, 112203), (273, 103161), (411, 68523), (753, 37401), (819, 34387), (959, 29367), (1233, 22841), (1757, 16029), (1781, 15813), (2259, 12467), (2877, 9789), (3263, 8631), (5271, 5343)]