71427321

素因数分解:

$3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{4517}}^1$

素因数の和:4781

約数の個数: 24

約数和(自身を含む): 118407744

約数和(自身を除く): 46980423

約数列:

[1, 3, 7, 9, 21, 63, 251, 753, 1757, 2259, 4517, 5271, 13551, 15813, 31619, 40653, 94857, 284571, 1133767, 3401301, 7936369, 10203903, 23809107, 71427321]

約数ペア:

[(1, 71427321), (3, 23809107), (7, 10203903), (9, 7936369), (21, 3401301), (63, 1133767), (251, 284571), (753, 94857), (1757, 40653), (2259, 31619), (4517, 15813), (5271, 13551)]