872991

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:196

約数の個数: 32

約数和(自身を含む): 1536000

約数和(自身を除く): 663009

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 149, 189, 217, 279, 447, 651, 837, 1043, 1341, 1953, 3129, 4023, 4619, 5859, 9387, 13857, 28161, 32333, 41571, 96999, 124713, 290997, 872991]

約数ペア:

[(1, 872991), (3, 290997), (7, 124713), (9, 96999), (21, 41571), (27, 32333), (31, 28161), (63, 13857), (93, 9387), (149, 5859), (189, 4619), (217, 4023), (279, 3129), (447, 1953), (651, 1341), (837, 1043)]