39439701

素因数分解:

$3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1487}}^1$

素因数の和:1921

約数の個数: 24

約数和(自身を含む): 65305344

約数和(自身を除く): 25865643

約数列:

[1, 3, 7, 9, 21, 63, 421, 1263, 1487, 2947, 3789, 4461, 8841, 10409, 13383, 26523, 31227, 93681, 626027, 1878081, 4382189, 5634243, 13146567, 39439701]

約数ペア:

[(1, 39439701), (3, 13146567), (7, 5634243), (9, 4382189), (21, 1878081), (63, 626027), (421, 93681), (1263, 31227), (1487, 26523), (2947, 13383), (3789, 10409), (4461, 8841)]