18660225

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{4217}}^1$

素因数の和:4289

約数の個数: 24

約数和(自身を含む): 31381920

約数和(自身を除く): 12721695

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 885, 1475, 4217, 4425, 12651, 21085, 63255, 105425, 248803, 316275, 746409, 1244015, 3732045, 6220075, 18660225]

約数ペア:

[(1, 18660225), (3, 6220075), (5, 3732045), (15, 1244015), (25, 746409), (59, 316275), (75, 248803), (177, 105425), (295, 63255), (885, 21085), (1475, 12651), (4217, 4425)]