25915497

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 37311552

約数和(自身を除く): 11396055

約数列:

[1, 3, 17, 51, 71, 213, 289, 421, 867, 1207, 1263, 3621, 7157, 20519, 21471, 29891, 61557, 89673, 121669, 365007, 508147, 1524441, 8638499, 25915497]

約数ペア:

[(1, 25915497), (3, 8638499), (17, 1524441), (51, 508147), (71, 365007), (213, 121669), (289, 89673), (421, 61557), (867, 29891), (1207, 21471), (1263, 20519), (3621, 7157)]