13139919

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 36

約数和(自身を含む): 21068424

約数和(自身を除く): 7928505

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 163, 169, 477, 489, 507, 689, 1467, 1521, 2067, 2119, 6201, 6357, 8639, 8957, 19071, 25917, 26871, 27547, 77751, 80613, 82641, 112307, 247923, 336921, 1010763, 1459991, 4379973, 13139919]

約数ペア:

[(1, 13139919), (3, 4379973), (9, 1459991), (13, 1010763), (39, 336921), (53, 247923), (117, 112307), (159, 82641), (163, 80613), (169, 77751), (477, 27547), (489, 26871), (507, 25917), (689, 19071), (1467, 8957), (1521, 8639), (2067, 6357), (2119, 6201)]