81305115

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{509}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 136304640

約数和(自身を除く): 54999525

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 463, 509, 1389, 1527, 2315, 2545, 6945, 7635, 10649, 11707, 31947, 35121, 53245, 58535, 159735, 175605, 235667, 707001, 1178335, 3535005, 5420341, 16261023, 27101705, 81305115]

約数ペア:

[(1, 81305115), (3, 27101705), (5, 16261023), (15, 5420341), (23, 3535005), (69, 1178335), (115, 707001), (345, 235667), (463, 175605), (509, 159735), (1389, 58535), (1527, 53245), (2315, 35121), (2545, 31947), (6945, 11707), (7635, 10649)]