25225179

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 40796160

約数和(自身を除く): 15570981

約数列:

[1, 3, 7, 19, 21, 57, 133, 191, 331, 399, 573, 993, 1337, 2317, 3629, 4011, 6289, 6951, 10887, 18867, 25403, 44023, 63221, 76209, 132069, 189663, 442547, 1201199, 1327641, 3603597, 8408393, 25225179]

約数ペア:

[(1, 25225179), (3, 8408393), (7, 3603597), (19, 1327641), (21, 1201199), (57, 442547), (133, 189663), (191, 132069), (331, 76209), (399, 63221), (573, 44023), (993, 25403), (1337, 18867), (2317, 10887), (3629, 6951), (4011, 6289)]