31142223

素因数分解:

$3^2\times 7^1\times {\mathrm{653}}^1\times {\mathrm{757}}^1$

素因数の和:1423

約数の個数: 24

約数和(自身を含む): 51556128

約数和(自身を除く): 20413905

約数列:

[1, 3, 7, 9, 21, 63, 653, 757, 1959, 2271, 4571, 5299, 5877, 6813, 13713, 15897, 41139, 47691, 494321, 1482963, 3460247, 4448889, 10380741, 31142223]

約数ペア:

[(1, 31142223), (3, 10380741), (7, 4448889), (9, 3460247), (21, 1482963), (63, 494321), (653, 47691), (757, 41139), (1959, 15897), (2271, 13713), (4571, 6813), (5299, 5877)]