728748495

素因数分解:

$3^6\times 5^1\times {\mathrm{199931}}^1$

素因数の和:199954

約数の個数: 28

約数和(自身を含む): 1311154056

約数和(自身を除く): 582405561

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 199931, 599793, 999655, 1799379, 2998965, 5398137, 8996895, 16194411, 26990685, 48583233, 80972055, 145749699, 242916165, 728748495]

約数ペア:

[(1, 728748495), (3, 242916165), (5, 145749699), (9, 80972055), (15, 48583233), (27, 26990685), (45, 16194411), (81, 8996895), (135, 5398137), (243, 2998965), (405, 1799379), (729, 999655), (1215, 599793), (3645, 199931)]