17720469

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{487}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 27710592

約数和(自身を除く): 9990123

約数列:

[1, 3, 9, 13, 39, 117, 311, 487, 933, 1461, 2799, 4043, 4383, 6331, 12129, 18993, 36387, 56979, 151457, 454371, 1363113, 1968941, 5906823, 17720469]

約数ペア:

[(1, 17720469), (3, 5906823), (9, 1968941), (13, 1363113), (39, 454371), (117, 151457), (311, 56979), (487, 36387), (933, 18993), (1461, 12129), (2799, 6331), (4043, 4383)]