30917943

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1809

約数の個数: 40

約数和(自身を含む): 54517760

約数和(自身を除く): 23599817

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 1759, 1953, 2511, 5277, 5859, 12313, 15831, 17577, 36939, 47493, 54529, 110817, 142479, 163587, 332451, 381703, 490761, 997353, 1145109, 1472283, 3435327, 4416849, 10305981, 30917943]

約数ペア:

[(1, 30917943), (3, 10305981), (7, 4416849), (9, 3435327), (21, 1472283), (27, 1145109), (31, 997353), (63, 490761), (81, 381703), (93, 332451), (189, 163587), (217, 142479), (279, 110817), (567, 54529), (651, 47493), (837, 36939), (1759, 17577), (1953, 15831), (2511, 12313), (5277, 5859)]