28939527

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2039}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 44553600

約数和(自身を除く): 15614073

約数列:

[1, 3, 9, 19, 57, 83, 171, 249, 747, 1577, 2039, 4731, 6117, 14193, 18351, 38741, 116223, 169237, 348669, 507711, 1523133, 3215503, 9646509, 28939527]

約数ペア:

[(1, 28939527), (3, 9646509), (9, 3215503), (19, 1523133), (57, 507711), (83, 348669), (171, 169237), (249, 116223), (747, 38741), (1577, 18351), (2039, 14193), (4731, 6117)]