16635969

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 30412800

約数和(自身を除く): 13776831

約数列:

[1, 3, 7, 9, 21, 23, 27, 43, 63, 69, 89, 129, 161, 189, 207, 267, 301, 387, 483, 621, 623, 801, 903, 989, 1161, 1449, 1869, 2047, 2403, 2709, 2967, 3827, 4347, 5607, 6141, 6923, 8127, 8901, 11481, 14329, 16821, 18423, 20769, 26703, 26789, 34443, 42987, 55269, 62307, 80367, 88021, 103329, 128961, 186921, 241101, 264063, 386883, 616147, 723303, 792189, 1848441, 2376567, 5545323, 16635969]

約数ペア:

[(1, 16635969), (3, 5545323), (7, 2376567), (9, 1848441), (21, 792189), (23, 723303), (27, 616147), (43, 386883), (63, 264063), (69, 241101), (89, 186921), (129, 128961), (161, 103329), (189, 88021), (207, 80367), (267, 62307), (301, 55269), (387, 42987), (483, 34443), (621, 26789), (623, 26703), (801, 20769), (903, 18423), (989, 16821), (1161, 14329), (1449, 11481), (1869, 8901), (2047, 8127), (2403, 6923), (2709, 6141), (2967, 5607), (3827, 4347)]