61725447

素因数分解:

$3^2\times 7^2\times {\mathrm{139967}}^1$

素因数の和:139987

約数の個数: 18

約数和(自身を含む): 103716288

約数和(自身を除く): 41990841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 139967, 419901, 979769, 1259703, 2939307, 6858383, 8817921, 20575149, 61725447]

約数ペア:

[(1, 61725447), (3, 20575149), (7, 8817921), (9, 6858383), (21, 2939307), (49, 1259703), (63, 979769), (147, 419901), (441, 139967)]