721201149

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{8713}}^1$

素因数の和:9277

約数の個数: 24

約数和(自身を含む): 1105179192

約数和(自身を除く): 383978043

約数列:

[1, 3, 9, 17, 51, 153, 541, 1623, 4869, 8713, 9197, 26139, 27591, 78417, 82773, 148121, 444363, 1333089, 4713733, 14141199, 42423597, 80133461, 240400383, 721201149]

約数ペア:

[(1, 721201149), (3, 240400383), (9, 80133461), (17, 42423597), (51, 14141199), (153, 4713733), (541, 1333089), (1623, 444363), (4869, 148121), (8713, 82773), (9197, 78417), (26139, 27591)]