25258317

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 39800832

約数和(自身を除く): 14542515

約数列:

[1, 3, 7, 21, 47, 141, 157, 163, 329, 471, 489, 987, 1099, 1141, 3297, 3423, 7379, 7661, 22137, 22983, 25591, 51653, 53627, 76773, 154959, 160881, 179137, 537411, 1202777, 3608331, 8419439, 25258317]

約数ペア:

[(1, 25258317), (3, 8419439), (7, 3608331), (21, 1202777), (47, 537411), (141, 179137), (157, 160881), (163, 154959), (329, 76773), (471, 53627), (489, 51653), (987, 25591), (1099, 22983), (1141, 22137), (3297, 7661), (3423, 7379)]