81855123

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{22531}}^1$

素因数の和:22714

約数の個数: 16

約数和(自身を含む): 125458176

約数和(自身を除く): 43603053

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 22531, 67593, 157717, 473151, 3897863, 11693589, 27285041, 81855123]

約数ペア:

[(1, 81855123), (3, 27285041), (7, 11693589), (21, 3897863), (173, 473151), (519, 157717), (1211, 67593), (3633, 22531)]