389201901

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1747}}^1$

素因数の和:1961

約数の個数: 32

約数和(自身を含む): 583300608

約数和(自身を除く): 194098707

約数列:

[1, 3, 11, 33, 43, 129, 157, 471, 473, 1419, 1727, 1747, 5181, 5241, 6751, 19217, 20253, 57651, 74261, 75121, 222783, 225363, 274279, 822837, 826331, 2478993, 3017069, 9051207, 11793997, 35381991, 129733967, 389201901]

約数ペア:

[(1, 389201901), (3, 129733967), (11, 35381991), (33, 11793997), (43, 9051207), (129, 3017069), (157, 2478993), (471, 826331), (473, 822837), (1419, 274279), (1727, 225363), (1747, 222783), (5181, 75121), (5241, 74261), (6751, 57651), (19217, 20253)]