25378101

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1217}}^1$

素因数の和:1561

約数の個数: 24

約数和(自身を含む): 42055104

約数和(自身を除く): 16677003

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 1217, 2317, 2979, 3651, 6951, 8519, 10953, 20853, 25557, 76671, 402827, 1208481, 2819789, 3625443, 8459367, 25378101]

約数ペア:

[(1, 25378101), (3, 8459367), (7, 3625443), (9, 2819789), (21, 1208481), (63, 402827), (331, 76671), (993, 25557), (1217, 20853), (2317, 10953), (2979, 8519), (3651, 6951)]