16191693

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 36

約数和(自身を含む): 27562080

約数和(自身を除く): 11370387

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 139, 301, 387, 417, 903, 973, 1251, 1849, 2709, 2919, 5547, 5977, 8757, 12943, 16641, 17931, 38829, 41839, 53793, 116487, 125517, 257011, 376551, 771033, 1799077, 2313099, 5397231, 16191693]

約数ペア:

[(1, 16191693), (3, 5397231), (7, 2313099), (9, 1799077), (21, 771033), (43, 376551), (63, 257011), (129, 125517), (139, 116487), (301, 53793), (387, 41839), (417, 38829), (903, 17931), (973, 16641), (1251, 12943), (1849, 8757), (2709, 5977), (2919, 5547)]