641589207

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1\times {\mathrm{2113}}^1$

素因数の和:2903

約数の個数: 32

約数和(自身を含む): 1030955520

約数和(自身を除く): 389366313

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 761, 2113, 2283, 5327, 6339, 14459, 14791, 15981, 40147, 43377, 44373, 101213, 120441, 281029, 303639, 843087, 1607993, 4823979, 11255951, 30551867, 33767853, 91655601, 213863069, 641589207]

約数ペア:

[(1, 641589207), (3, 213863069), (7, 91655601), (19, 33767853), (21, 30551867), (57, 11255951), (133, 4823979), (399, 1607993), (761, 843087), (2113, 303639), (2283, 281029), (5327, 120441), (6339, 101213), (14459, 44373), (14791, 43377), (15981, 40147)]