66988131

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 104993280

約数和(自身を除く): 38005149

約数列:

[1, 3, 7, 21, 53, 139, 159, 371, 417, 433, 973, 1113, 1299, 2919, 3031, 7367, 9093, 22101, 22949, 51569, 60187, 68847, 154707, 160643, 180561, 421309, 481929, 1263927, 3189911, 9569733, 22329377, 66988131]

約数ペア:

[(1, 66988131), (3, 22329377), (7, 9569733), (21, 3189911), (53, 1263927), (139, 481929), (159, 421309), (371, 180561), (417, 160643), (433, 154707), (973, 68847), (1113, 60187), (1299, 51569), (2919, 22949), (3031, 22101), (7367, 9093)]