81168486

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{11171}}^1$

素因数の和:11356

約数の個数: 32

約数和(自身を含む): 186617088

約数和(自身を除く): 105448602

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 173, 346, 519, 1038, 1211, 2422, 3633, 7266, 11171, 22342, 33513, 67026, 78197, 156394, 234591, 469182, 1932583, 3865166, 5797749, 11595498, 13528081, 27056162, 40584243, 81168486]

約数ペア:

[(1, 81168486), (2, 40584243), (3, 27056162), (6, 13528081), (7, 11595498), (14, 5797749), (21, 3865166), (42, 1932583), (173, 469182), (346, 234591), (519, 156394), (1038, 78197), (1211, 67026), (2422, 33513), (3633, 22342), (7266, 11171)]