205958403

素因数分解:

$3^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{6299}}^1$

素因数の和:6488

約数の個数: 32

約数和(自身を含む): 350784000

約数和(自身を除く): 144825597

約数列:

[1, 3, 7, 9, 21, 27, 63, 173, 189, 519, 1211, 1557, 3633, 4671, 6299, 10899, 18897, 32697, 44093, 56691, 132279, 170073, 396837, 1089727, 1190511, 3269181, 7628089, 9807543, 22884267, 29422629, 68652801, 205958403]

約数ペア:

[(1, 205958403), (3, 68652801), (7, 29422629), (9, 22884267), (21, 9807543), (27, 7628089), (63, 3269181), (173, 1190511), (189, 1089727), (519, 396837), (1211, 170073), (1557, 132279), (3633, 56691), (4671, 44093), (6299, 32697), (10899, 18897)]