27969705

素因数分解:

$3^4\times 5^1\times {\mathrm{69061}}^1$

素因数の和:69078

約数の個数: 20

約数和(自身を含む): 50139012

約数和(自身を除く): 22169307

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 69061, 207183, 345305, 621549, 1035915, 1864647, 3107745, 5593941, 9323235, 27969705]

約数ペア:

[(1, 27969705), (3, 9323235), (5, 5593941), (9, 3107745), (15, 1864647), (27, 1035915), (45, 621549), (81, 345305), (135, 207183), (405, 69061)]