1020504015

素因数分解:

$3^5\times 5^1\times {\mathrm{839921}}^1$

素因数の和:839941

約数の個数: 24

約数和(自身を含む): 1834389648

約数和(自身を除く): 813885633

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 839921, 2519763, 4199605, 7559289, 12598815, 22677867, 37796445, 68033601, 113389335, 204100803, 340168005, 1020504015]

約数ペア:

[(1, 1020504015), (3, 340168005), (5, 204100803), (9, 113389335), (15, 68033601), (27, 37796445), (45, 22677867), (81, 12598815), (135, 7559289), (243, 4199605), (405, 2519763), (1215, 839921)]