15916989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 24597504

約数和(自身を除く): 8680515

約数列:

[1, 3, 11, 23, 33, 67, 69, 201, 253, 313, 737, 759, 939, 1541, 2211, 3443, 4623, 7199, 10329, 16951, 20971, 21597, 50853, 62913, 79189, 230681, 237567, 482333, 692043, 1446999, 5305663, 15916989]

約数ペア:

[(1, 15916989), (3, 5305663), (11, 1446999), (23, 692043), (33, 482333), (67, 237567), (69, 230681), (201, 79189), (253, 62913), (313, 50853), (737, 21597), (759, 20971), (939, 16951), (1541, 10329), (2211, 7199), (3443, 4623)]