858779217

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{271}}^1\times {\mathrm{4457}}^1$

素因数の和:4813

約数の個数: 24

約数和(自身を含む): 1261079040

約数和(自身を除く): 402299823

約数列:

[1, 3, 9, 79, 237, 271, 711, 813, 2439, 4457, 13371, 21409, 40113, 64227, 192681, 352103, 1056309, 1207847, 3168927, 3623541, 10870623, 95419913, 286259739, 858779217]

約数ペア:

[(1, 858779217), (3, 286259739), (9, 95419913), (79, 10870623), (237, 3623541), (271, 3168927), (711, 1207847), (813, 1056309), (2439, 352103), (4457, 192681), (13371, 64227), (21409, 40113)]