123033981

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4721}}^1$

素因数の和:4821

約数の個数: 32

約数和(自身を含む): 201270528

約数和(自身を除く): 78236547

約数列:

[1, 3, 7, 17, 21, 51, 73, 119, 219, 357, 511, 1241, 1533, 3723, 4721, 8687, 14163, 26061, 33047, 80257, 99141, 240771, 344633, 561799, 1033899, 1685397, 2412431, 5858761, 7237293, 17576283, 41011327, 123033981]

約数ペア:

[(1, 123033981), (3, 41011327), (7, 17576283), (17, 7237293), (21, 5858761), (51, 2412431), (73, 1685397), (119, 1033899), (219, 561799), (357, 344633), (511, 240771), (1241, 99141), (1533, 80257), (3723, 33047), (4721, 26061), (8687, 14163)]