207813309

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 308188800

約数和(自身を除く): 100375491

約数列:

[1, 3, 11, 33, 89, 173, 267, 409, 519, 979, 1227, 1903, 2937, 4499, 5709, 13497, 15397, 36401, 46191, 70757, 109203, 169367, 212271, 400411, 508101, 778327, 1201233, 2334981, 6297373, 18892119, 69271103, 207813309]

約数ペア:

[(1, 207813309), (3, 69271103), (11, 18892119), (33, 6297373), (89, 2334981), (173, 1201233), (267, 778327), (409, 508101), (519, 400411), (979, 212271), (1227, 169367), (1903, 109203), (2937, 70757), (4499, 46191), (5709, 36401), (13497, 15397)]