7971021

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:226

約数の個数: 32

約数和(自身を含む): 12403200

約数和(自身を除く): 4432179

約数列:

[1, 3, 9, 27, 37, 79, 101, 111, 237, 303, 333, 711, 909, 999, 2133, 2727, 2923, 3737, 7979, 8769, 11211, 23937, 26307, 33633, 71811, 78921, 100899, 215433, 295223, 885669, 2657007, 7971021]

約数ペア:

[(1, 7971021), (3, 2657007), (9, 885669), (27, 295223), (37, 215433), (79, 100899), (101, 78921), (111, 71811), (237, 33633), (303, 26307), (333, 23937), (711, 11211), (909, 8769), (999, 7979), (2133, 3737), (2727, 2923)]