16831017

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 30976000

約数和(自身を除く): 14144983

約数列:

[1, 3, 7, 9, 19, 21, 27, 43, 57, 63, 109, 129, 133, 171, 189, 301, 327, 387, 399, 513, 763, 817, 903, 981, 1161, 1197, 2071, 2289, 2451, 2709, 2943, 3591, 4687, 5719, 6213, 6867, 7353, 8127, 14061, 14497, 17157, 18639, 20601, 22059, 32809, 42183, 43491, 51471, 55917, 89053, 98427, 126549, 130473, 154413, 267159, 295281, 391419, 623371, 801477, 885843, 1870113, 2404431, 5610339, 16831017]

約数ペア:

[(1, 16831017), (3, 5610339), (7, 2404431), (9, 1870113), (19, 885843), (21, 801477), (27, 623371), (43, 391419), (57, 295281), (63, 267159), (109, 154413), (129, 130473), (133, 126549), (171, 98427), (189, 89053), (301, 55917), (327, 51471), (387, 43491), (399, 42183), (513, 32809), (763, 22059), (817, 20601), (903, 18639), (981, 17157), (1161, 14497), (1197, 14061), (2071, 8127), (2289, 7353), (2451, 6867), (2709, 6213), (2943, 5719), (3591, 4687)]