16206813

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1487}}^1$

素因数の和:1673

約数の個数: 24

約数和(自身を含む): 26926848

約数和(自身を除く): 10720035

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1487, 1557, 3633, 4461, 10409, 10899, 13383, 31227, 93681, 257251, 771753, 1800757, 2315259, 5402271, 16206813]

約数ペア:

[(1, 16206813), (3, 5402271), (7, 2315259), (9, 1800757), (21, 771753), (63, 257251), (173, 93681), (519, 31227), (1211, 13383), (1487, 10899), (1557, 10409), (3633, 4461)]