816473721

素因数分解:

$3^1\times 7^2\times {\mathrm{1181}}^1\times {\mathrm{4703}}^1$

素因数の和:5901

約数の個数: 24

約数和(自身を含む): 1267709184

約数和(自身を除く): 451235463

約数列:

[1, 3, 7, 21, 49, 147, 1181, 3543, 4703, 8267, 14109, 24801, 32921, 57869, 98763, 173607, 230447, 691341, 5554243, 16662729, 38879701, 116639103, 272157907, 816473721]

約数ペア:

[(1, 816473721), (3, 272157907), (7, 116639103), (21, 38879701), (49, 16662729), (147, 5554243), (1181, 691341), (3543, 230447), (4703, 173607), (8267, 98763), (14109, 57869), (24801, 32921)]