17916165

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 32617728

約数和(自身を除く): 14701563

約数列:

[1, 3, 5, 9, 15, 43, 45, 47, 129, 141, 197, 215, 235, 387, 423, 591, 645, 705, 985, 1773, 1935, 2021, 2115, 2955, 6063, 8471, 8865, 9259, 10105, 18189, 25413, 27777, 30315, 42355, 46295, 76239, 83331, 90945, 127065, 138885, 381195, 398137, 416655, 1194411, 1990685, 3583233, 5972055, 17916165]

約数ペア:

[(1, 17916165), (3, 5972055), (5, 3583233), (9, 1990685), (15, 1194411), (43, 416655), (45, 398137), (47, 381195), (129, 138885), (141, 127065), (197, 90945), (215, 83331), (235, 76239), (387, 46295), (423, 42355), (591, 30315), (645, 27777), (705, 25413), (985, 18189), (1773, 10105), (1935, 9259), (2021, 8865), (2115, 8471), (2955, 6063)]