13880223

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4157}}^1$

素因数の和:4223

約数の個数: 24

約数和(自身を含む): 23351328

約数和(自身を除く): 9471105

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 4157, 12471, 29099, 37413, 87297, 220321, 261891, 660963, 1542247, 1982889, 4626741, 13880223]

約数ペア:

[(1, 13880223), (3, 4626741), (7, 1982889), (9, 1542247), (21, 660963), (53, 261891), (63, 220321), (159, 87297), (371, 37413), (477, 29099), (1113, 12471), (3339, 4157)]