208666545

素因数分解:

$3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 338356224

約数和(自身を除く): 129689679

約数列:

[1, 3, 5, 15, 173, 191, 421, 519, 573, 865, 955, 1263, 2105, 2595, 2865, 6315, 33043, 72833, 80411, 99129, 165215, 218499, 241233, 364165, 402055, 495645, 1092495, 1206165, 13911103, 41733309, 69555515, 208666545]

約数ペア:

[(1, 208666545), (3, 69555515), (5, 41733309), (15, 13911103), (173, 1206165), (191, 1092495), (421, 495645), (519, 402055), (573, 364165), (865, 241233), (955, 218499), (1263, 165215), (2105, 99129), (2595, 80411), (2865, 72833), (6315, 33043)]