11731905

素因数分解:

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

素因数の和:147

約数の個数: 48

約数和(自身を含む): 21807360

約数和(自身を除く): 10075455

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 47, 129, 135, 141, 215, 235, 387, 423, 645, 705, 1161, 1269, 1849, 1935, 2021, 2115, 5547, 5805, 6063, 6345, 9245, 10105, 16641, 18189, 27735, 30315, 49923, 54567, 83205, 86903, 90945, 249615, 260709, 272835, 434515, 782127, 1303545, 2346381, 3910635, 11731905]

約数ペア:

[(1, 11731905), (3, 3910635), (5, 2346381), (9, 1303545), (15, 782127), (27, 434515), (43, 272835), (45, 260709), (47, 249615), (129, 90945), (135, 86903), (141, 83205), (215, 54567), (235, 49923), (387, 30315), (423, 27735), (645, 18189), (705, 16641), (1161, 10105), (1269, 9245), (1849, 6345), (1935, 6063), (2021, 5805), (2115, 5547)]