220583013

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1\times {\mathrm{439}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 342650880

約数和(自身を除く): 122067867

約数列:

[1, 3, 7, 21, 71, 213, 337, 439, 497, 1011, 1317, 1491, 2359, 3073, 7077, 9219, 23927, 31169, 71781, 93507, 147943, 167489, 218183, 443829, 502467, 654549, 1035601, 3106803, 10503953, 31511859, 73527671, 220583013]

約数ペア:

[(1, 220583013), (3, 73527671), (7, 31511859), (21, 10503953), (71, 3106803), (213, 1035601), (337, 654549), (439, 502467), (497, 443829), (1011, 218183), (1317, 167489), (1491, 147943), (2359, 93507), (3073, 71781), (7077, 31169), (9219, 23927)]