81757686

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{1523}}^1$

素因数の和:1940

約数の個数: 32

約数和(自身を含む): 171175680

約数和(自身を除く): 89417994

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 389, 778, 1167, 1523, 2334, 3046, 4569, 8947, 9138, 17894, 26841, 35029, 53682, 70058, 105087, 210174, 592447, 1184894, 1777341, 3554682, 13626281, 27252562, 40878843, 81757686]

約数ペア:

[(1, 81757686), (2, 40878843), (3, 27252562), (6, 13626281), (23, 3554682), (46, 1777341), (69, 1184894), (138, 592447), (389, 210174), (778, 105087), (1167, 70058), (1523, 53682), (2334, 35029), (3046, 26841), (4569, 17894), (8947, 9138)]