28202859

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1259}}^1$

素因数の和:1415

約数の個数: 24

約数和(自身を含む): 43243200

約数和(自身を除く): 15040341

約数列:

[1, 3, 9, 19, 57, 131, 171, 393, 1179, 1259, 2489, 3777, 7467, 11331, 22401, 23921, 71763, 164929, 215289, 494787, 1484361, 3133651, 9400953, 28202859]

約数ペア:

[(1, 28202859), (3, 9400953), (9, 3133651), (19, 1484361), (57, 494787), (131, 215289), (171, 164929), (393, 71763), (1179, 23921), (1259, 22401), (2489, 11331), (3777, 7467)]