155787681

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{8821}}^1$

素因数の和:8889

約数の個数: 24

約数和(自身を含む): 245886784

約数和(自身を除く): 90099103

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 841, 2523, 5887, 8821, 17661, 26463, 61747, 185241, 255809, 767427, 1790663, 5371989, 7418461, 22255383, 51929227, 155787681]

約数ペア:

[(1, 155787681), (3, 51929227), (7, 22255383), (21, 7418461), (29, 5371989), (87, 1790663), (203, 767427), (609, 255809), (841, 185241), (2523, 61747), (5887, 26463), (8821, 17661)]