1234561881

素因数分解:

$3^1\times 7^1\times {\mathrm{7333}}^1\times {\mathrm{8017}}^1$

素因数の和:15360

約数の個数: 16

約数和(自身を含む): 1881728384

約数和(自身を除く): 647166503

約数列:

[1, 3, 7, 21, 7333, 8017, 21999, 24051, 51331, 56119, 153993, 168357, 58788661, 176365983, 411520627, 1234561881]

約数ペア:

[(1, 1234561881), (3, 411520627), (7, 176365983), (21, 58788661), (7333, 168357), (8017, 153993), (21999, 56119), (24051, 51331)]