28705124115

素因数分解:

$3^3\times 5^1\times {\mathrm{212630549}}^1$

素因数の和:212630563

約数の個数: 16

約数和(自身を含む): 51031332000

約数和(自身を除く): 22326207885

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 212630549, 637891647, 1063152745, 1913674941, 3189458235, 5741024823, 9568374705, 28705124115]

約数ペア:

[(1, 28705124115), (3, 9568374705), (5, 5741024823), (9, 3189458235), (15, 1913674941), (27, 1063152745), (45, 637891647), (135, 212630549)]