90407745

素因数分解:

$3^4\times 5^1\times {\mathrm{223229}}^1$

素因数の和:223246

約数の個数: 20

約数和(自身を含む): 162064980

約数和(自身を除く): 71657235

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 223229, 669687, 1116145, 2009061, 3348435, 6027183, 10045305, 18081549, 30135915, 90407745]

約数ペア:

[(1, 90407745), (3, 30135915), (5, 18081549), (9, 10045305), (15, 6027183), (27, 3348435), (45, 2009061), (81, 1116145), (135, 669687), (405, 223229)]