28144827

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{9391}}^1$

素因数の和:9440

約数の個数: 20

約数和(自身を含む): 43184416

約数和(自身を除く): 15039589

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 9391, 28173, 84519, 253557, 347467, 760671, 1042401, 3127203, 9381609, 28144827]

約数ペア:

[(1, 28144827), (3, 9381609), (9, 3127203), (27, 1042401), (37, 760671), (81, 347467), (111, 253557), (333, 84519), (999, 28173), (2997, 9391)]