28161651

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 44126208

約数和(自身を除く): 15964557

約数列:

[1, 3, 7, 21, 83, 107, 151, 249, 321, 453, 581, 749, 1057, 1743, 2247, 3171, 8881, 12533, 16157, 26643, 37599, 48471, 62167, 87731, 113099, 186501, 263193, 339297, 1341031, 4023093, 9387217, 28161651]

約数ペア:

[(1, 28161651), (3, 9387217), (7, 4023093), (21, 1341031), (83, 339297), (107, 263193), (151, 186501), (249, 113099), (321, 87731), (453, 62167), (581, 48471), (749, 37599), (1057, 26643), (1743, 16157), (2247, 12533), (3171, 8881)]