1395387

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:149

約数の個数: 40

約数和(自身を含む): 2509056

約数和(自身を除く): 1113669

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 107, 161, 189, 207, 321, 483, 567, 621, 749, 963, 1449, 1863, 2247, 2461, 2889, 4347, 6741, 7383, 8667, 13041, 17227, 20223, 22149, 51681, 60669, 66447, 155043, 199341, 465129, 1395387]

約数ペア:

[(1, 1395387), (3, 465129), (7, 199341), (9, 155043), (21, 66447), (23, 60669), (27, 51681), (63, 22149), (69, 20223), (81, 17227), (107, 13041), (161, 8667), (189, 7383), (207, 6741), (321, 4347), (483, 2889), (567, 2461), (621, 2247), (749, 1863), (963, 1449)]