730881

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{281}}^1$

素因数の和:321

約数の個数: 18

約数和(自身を含む): 1125462

約数和(自身を除く): 394581

約数列:

[1, 3, 9, 17, 51, 153, 281, 289, 843, 867, 2529, 2601, 4777, 14331, 42993, 81209, 243627, 730881]

約数ペア:

[(1, 730881), (3, 243627), (9, 81209), (17, 42993), (51, 14331), (153, 4777), (281, 2601), (289, 2529), (843, 867)]