221820489

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{6007}}^1$

素因数の和:6397

約数の個数: 24

約数和(自身を含む): 350530752

約数和(自身を除く): 128710263

約数列:

[1, 3, 9, 11, 33, 99, 373, 1119, 3357, 4103, 6007, 12309, 18021, 36927, 54063, 66077, 198231, 594693, 2240611, 6721833, 20165499, 24646721, 73940163, 221820489]

約数ペア:

[(1, 221820489), (3, 73940163), (9, 24646721), (11, 20165499), (33, 6721833), (99, 2240611), (373, 594693), (1119, 198231), (3357, 66077), (4103, 54063), (6007, 36927), (12309, 18021)]