217817379

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2671}}^1$

素因数の和:2748

約数の個数: 48

約数和(自身を含む): 367645824

約数和(自身を除く): 149828445

約数列:

[1, 3, 9, 13, 17, 39, 41, 51, 117, 123, 153, 221, 369, 533, 663, 697, 1599, 1989, 2091, 2671, 4797, 6273, 8013, 9061, 24039, 27183, 34723, 45407, 81549, 104169, 109511, 136221, 312507, 328533, 408663, 590291, 985599, 1423643, 1770873, 1861687, 4270929, 5312619, 5585061, 12812787, 16755183, 24201931, 72605793, 217817379]

約数ペア:

[(1, 217817379), (3, 72605793), (9, 24201931), (13, 16755183), (17, 12812787), (39, 5585061), (41, 5312619), (51, 4270929), (117, 1861687), (123, 1770873), (153, 1423643), (221, 985599), (369, 590291), (533, 408663), (663, 328533), (697, 312507), (1599, 136221), (1989, 109511), (2091, 104169), (2671, 81549), (4797, 45407), (6273, 34723), (8013, 27183), (9061, 24039)]