28390095

素因数分解:

$3^4\times 5^1\times {\mathrm{70099}}^1$

素因数の和:70116

約数の個数: 20

約数和(自身を含む): 50892600

約数和(自身を除く): 22502505

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 70099, 210297, 350495, 630891, 1051485, 1892673, 3154455, 5678019, 9463365, 28390095]

約数ペア:

[(1, 28390095), (3, 9463365), (5, 5678019), (9, 3154455), (15, 1892673), (27, 1051485), (45, 630891), (81, 350495), (135, 210297), (405, 70099)]