15928017

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 25681920

約数和(自身を除く): 9753903

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 569, 651, 903, 1333, 1707, 3983, 3999, 9331, 11949, 17639, 24467, 27993, 52917, 73401, 123473, 171269, 370419, 513807, 758477, 2275431, 5309339, 15928017]

約数ペア:

[(1, 15928017), (3, 5309339), (7, 2275431), (21, 758477), (31, 513807), (43, 370419), (93, 171269), (129, 123473), (217, 73401), (301, 52917), (569, 27993), (651, 24467), (903, 17639), (1333, 11949), (1707, 9331), (3983, 3999)]