81591090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{388529}}^1$

素因数の和:388546

約数の個数: 32

約数和(自身を含む): 223793280

約数和(自身を除く): 142202190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 388529, 777058, 1165587, 1942645, 2331174, 2719703, 3885290, 5439406, 5827935, 8159109, 11655870, 13598515, 16318218, 27197030, 40795545, 81591090]

約数ペア:

[(1, 81591090), (2, 40795545), (3, 27197030), (5, 16318218), (6, 13598515), (7, 11655870), (10, 8159109), (14, 5827935), (15, 5439406), (21, 3885290), (30, 2719703), (35, 2331174), (42, 1942645), (70, 1165587), (105, 777058), (210, 388529)]