1388295939

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 2111837184

約数和(自身を除く): 723541245

約数列:

[1, 3, 17, 23, 51, 53, 69, 137, 159, 163, 391, 411, 489, 901, 1173, 1219, 2329, 2703, 2771, 3151, 3657, 3749, 6987, 7261, 8313, 8639, 9453, 11247, 20723, 21783, 22331, 25917, 53567, 62169, 63733, 66993, 123437, 146863, 160701, 167003, 191199, 198697, 370311, 379627, 440589, 501009, 513613, 596091, 1138881, 1183543, 1540839, 2839051, 3377849, 3550629, 8517153, 8731421, 10133547, 20120231, 26194263, 27221489, 60360693, 81664467, 462765313, 1388295939]

約数ペア:

[(1, 1388295939), (3, 462765313), (17, 81664467), (23, 60360693), (51, 27221489), (53, 26194263), (69, 20120231), (137, 10133547), (159, 8731421), (163, 8517153), (391, 3550629), (411, 3377849), (489, 2839051), (901, 1540839), (1173, 1183543), (1219, 1138881), (2329, 596091), (2703, 513613), (2771, 501009), (3151, 440589), (3657, 379627), (3749, 370311), (6987, 198697), (7261, 191199), (8313, 167003), (8639, 160701), (9453, 146863), (11247, 123437), (20723, 66993), (21783, 63733), (22331, 62169), (25917, 53567)]