168805917

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{20771}}^1$

素因数の和:20830

約数の個数: 32

約数和(自身を含む): 292469760

約数和(自身を除く): 123663843

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 20771, 62313, 145397, 186939, 436191, 560817, 893153, 1308573, 2679459, 3925719, 6252071, 8038377, 18756213, 24115131, 56268639, 168805917]

約数ペア:

[(1, 168805917), (3, 56268639), (7, 24115131), (9, 18756213), (21, 8038377), (27, 6252071), (43, 3925719), (63, 2679459), (129, 1308573), (189, 893153), (301, 560817), (387, 436191), (903, 186939), (1161, 145397), (2709, 62313), (8127, 20771)]