128792835

素因数分解:

$3^4\times 5^1\times {\mathrm{318007}}^1$

素因数の和:318024

約数の個数: 20

約数和(自身を含む): 230873808

約数和(自身を除く): 102080973

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 318007, 954021, 1590035, 2862063, 4770105, 8586189, 14310315, 25758567, 42930945, 128792835]

約数ペア:

[(1, 128792835), (3, 42930945), (5, 25758567), (9, 14310315), (15, 8586189), (27, 4770105), (45, 2862063), (81, 1590035), (135, 954021), (405, 318007)]