1994755005

素因数分解:

$3^4\times 5^1\times {\mathrm{4925321}}^1$

素因数の和:4925338

約数の個数: 20

約数和(自身を含む): 3575783772

約数和(自身を除く): 1581028767

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4925321, 14775963, 24626605, 44327889, 73879815, 132983667, 221639445, 398951001, 664918335, 1994755005]

約数ペア:

[(1, 1994755005), (3, 664918335), (5, 398951001), (9, 221639445), (15, 132983667), (27, 73879815), (45, 44327889), (81, 24626605), (135, 14775963), (405, 4925321)]