215681613

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{4483}}^1$

素因数の和:4601

約数の個数: 32

約数和(自身を含む): 344371200

約数和(自身を除く): 128689587

約数列:

[1, 3, 7, 21, 29, 79, 87, 203, 237, 553, 609, 1659, 2291, 4483, 6873, 13449, 16037, 31381, 48111, 94143, 130007, 354157, 390021, 910049, 1062471, 2479099, 2730147, 7437297, 10270553, 30811659, 71893871, 215681613]

約数ペア:

[(1, 215681613), (3, 71893871), (7, 30811659), (21, 10270553), (29, 7437297), (79, 2730147), (87, 2479099), (203, 1062471), (237, 910049), (553, 390021), (609, 354157), (1659, 130007), (2291, 94143), (4483, 48111), (6873, 31381), (13449, 16037)]