209670231

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4831}}^1$

素因数の和:4911

約数の個数: 32

約数和(自身を含む): 317288448

約数和(自身を除く): 107618217

約数列:

[1, 3, 17, 23, 37, 51, 69, 111, 391, 629, 851, 1173, 1887, 2553, 4831, 14467, 14493, 43401, 82127, 111113, 178747, 246381, 333339, 536241, 1888921, 3038699, 4111181, 5666763, 9116097, 12333543, 69890077, 209670231]

約数ペア:

[(1, 209670231), (3, 69890077), (17, 12333543), (23, 9116097), (37, 5666763), (51, 4111181), (69, 3038699), (111, 1888921), (391, 536241), (629, 333339), (851, 246381), (1173, 178747), (1887, 111113), (2553, 82127), (4831, 43401), (14467, 14493)]