81266745

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{110567}}^1$

素因数の和:110589

約数の個数: 24

約数和(自身を含む): 151257024

約数和(自身を除く): 69990279

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 110567, 331701, 552835, 773969, 1658505, 2321907, 3869845, 5417783, 11609535, 16253349, 27088915, 81266745]

約数ペア:

[(1, 81266745), (3, 27088915), (5, 16253349), (7, 11609535), (15, 5417783), (21, 3869845), (35, 2321907), (49, 1658505), (105, 773969), (147, 552835), (245, 331701), (735, 110567)]