131301879

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 187038720

約数和(自身を除く): 55736841

約数列:

[1, 3, 29, 47, 87, 141, 163, 197, 489, 591, 1363, 4089, 4727, 5713, 7661, 9259, 14181, 17139, 22983, 27777, 32111, 96333, 222169, 268511, 666507, 805533, 931219, 1509217, 2793657, 4527651, 43767293, 131301879]

約数ペア:

[(1, 131301879), (3, 43767293), (29, 4527651), (47, 2793657), (87, 1509217), (141, 931219), (163, 805533), (197, 666507), (489, 268511), (591, 222169), (1363, 96333), (4089, 32111), (4727, 27777), (5713, 22983), (7661, 17139), (9259, 14181)]