208212489

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{463}}^1\times {\mathrm{1723}}^1$

素因数の和:2221

約数の個数: 24

約数和(自身を含む): 311975040

約数和(自身を除く): 103762551

約数列:

[1, 3, 9, 29, 87, 261, 463, 1389, 1723, 4167, 5169, 13427, 15507, 40281, 49967, 120843, 149901, 449703, 797749, 2393247, 7179741, 23134721, 69404163, 208212489]

約数ペア:

[(1, 208212489), (3, 69404163), (9, 23134721), (29, 7179741), (87, 2393247), (261, 797749), (463, 449703), (1389, 149901), (1723, 120843), (4167, 49967), (5169, 40281), (13427, 15507)]