72904575

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{13691}}^1$

素因数の和:13775

約数の個数: 24

約数和(自身を含む): 122242176

約数和(自身を除く): 49337601

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 13691, 41073, 68455, 205365, 342275, 972061, 1026825, 2916183, 4860305, 14580915, 24301525, 72904575]

約数ペア:

[(1, 72904575), (3, 24301525), (5, 14580915), (15, 4860305), (25, 2916183), (71, 1026825), (75, 972061), (213, 342275), (355, 205365), (1065, 68455), (1775, 41073), (5325, 13691)]