2159406

素因数分解:

$2^1\times 3^3\times {\mathrm{39989}}^1$

素因数の和:40000

約数の個数: 16

約数和(自身を含む): 4798800

約数和(自身を除く): 2639394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 39989, 79978, 119967, 239934, 359901, 719802, 1079703, 2159406]

約数ペア:

[(1, 2159406), (2, 1079703), (3, 719802), (6, 359901), (9, 239934), (18, 119967), (27, 79978), (54, 39989)]