205514271

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{457}}^1\times {\mathrm{1723}}^1$

素因数の和:2215

約数の個数: 24

約数和(自身を含む): 307940880

約数和(自身を除く): 102426609

約数列:

[1, 3, 9, 29, 87, 261, 457, 1371, 1723, 4113, 5169, 13253, 15507, 39759, 49967, 119277, 149901, 449703, 787411, 2362233, 7086699, 22834919, 68504757, 205514271]

約数ペア:

[(1, 205514271), (3, 68504757), (9, 22834919), (29, 7086699), (87, 2362233), (261, 787411), (457, 449703), (1371, 149901), (1723, 119277), (4113, 49967), (5169, 39759), (13253, 15507)]