81416745

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3793}}^1$

素因数の和:3863

約数の個数: 40

約数和(自身を含む): 148739976

約数和(自身を除く): 67323231

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 1431, 2385, 3793, 4293, 7155, 11379, 18965, 21465, 34137, 56895, 102411, 170685, 201029, 307233, 512055, 603087, 1005145, 1536165, 1809261, 3015435, 5427783, 9046305, 16283349, 27138915, 81416745]

約数ペア:

[(1, 81416745), (3, 27138915), (5, 16283349), (9, 9046305), (15, 5427783), (27, 3015435), (45, 1809261), (53, 1536165), (81, 1005145), (135, 603087), (159, 512055), (265, 307233), (405, 201029), (477, 170685), (795, 102411), (1431, 56895), (2385, 34137), (3793, 21465), (4293, 18965), (7155, 11379)]