1653981

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 2757888

約数和(自身を除く): 1103907

約数列:

[1, 3, 7, 17, 21, 41, 51, 113, 119, 123, 287, 339, 357, 697, 791, 861, 1921, 2091, 2373, 4633, 4879, 5763, 13447, 13899, 14637, 32431, 40341, 78761, 97293, 236283, 551327, 1653981]

約数ペア:

[(1, 1653981), (3, 551327), (7, 236283), (17, 97293), (21, 78761), (41, 40341), (51, 32431), (113, 14637), (119, 13899), (123, 13447), (287, 5763), (339, 4879), (357, 4633), (697, 2373), (791, 2091), (861, 1921)]