15955947

素因数分解:

$3^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:389

約数の個数: 40

約数和(自身を含む): 27599616

約数和(自身を除く): 11643669

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 107, 189, 263, 321, 567, 749, 789, 963, 1841, 2247, 2367, 2889, 5523, 6741, 7101, 8667, 16569, 20223, 21303, 28141, 49707, 60669, 84423, 149121, 196987, 253269, 590961, 759807, 1772883, 2279421, 5318649, 15955947]

約数ペア:

[(1, 15955947), (3, 5318649), (7, 2279421), (9, 1772883), (21, 759807), (27, 590961), (63, 253269), (81, 196987), (107, 149121), (189, 84423), (263, 60669), (321, 49707), (567, 28141), (749, 21303), (789, 20223), (963, 16569), (1841, 8667), (2247, 7101), (2367, 6741), (2889, 5523)]