25131897

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1291}}^1$

素因数の和:1410

約数の個数: 32

約数和(自身を含む): 42997760

約数和(自身を除く): 17865863

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 721, 927, 1291, 2163, 2781, 3873, 6489, 9037, 11619, 19467, 27111, 34857, 81333, 132973, 243999, 398919, 930811, 1196757, 2792433, 3590271, 8377299, 25131897]

約数ペア:

[(1, 25131897), (3, 8377299), (7, 3590271), (9, 2792433), (21, 1196757), (27, 930811), (63, 398919), (103, 243999), (189, 132973), (309, 81333), (721, 34857), (927, 27111), (1291, 19467), (2163, 11619), (2781, 9037), (3873, 6489)]