9913005

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 18120960

約数和(自身を除く): 8207955

約数列:

[1, 3, 5, 9, 15, 43, 45, 47, 109, 129, 141, 215, 235, 327, 387, 423, 545, 645, 705, 981, 1635, 1935, 2021, 2115, 4687, 4905, 5123, 6063, 10105, 14061, 15369, 18189, 23435, 25615, 30315, 42183, 46107, 70305, 76845, 90945, 210915, 220289, 230535, 660867, 1101445, 1982601, 3304335, 9913005]

約数ペア:

[(1, 9913005), (3, 3304335), (5, 1982601), (9, 1101445), (15, 660867), (43, 230535), (45, 220289), (47, 210915), (109, 90945), (129, 76845), (141, 70305), (215, 46107), (235, 42183), (327, 30315), (387, 25615), (423, 23435), (545, 18189), (645, 15369), (705, 14061), (981, 10105), (1635, 6063), (1935, 5123), (2021, 4905), (2115, 4687)]