25616997

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21401}}^1$

素因数の和:21433

約数の個数: 24

約数和(自身を含む): 44516160

約数和(自身を除く): 18899163

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 21401, 64203, 149807, 192609, 406619, 449421, 1219857, 1348263, 2846333, 3659571, 8538999, 25616997]

約数ペア:

[(1, 25616997), (3, 8538999), (7, 3659571), (9, 2846333), (19, 1348263), (21, 1219857), (57, 449421), (63, 406619), (133, 192609), (171, 149807), (399, 64203), (1197, 21401)]