221567216217

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{4519}}^1\times {\mathrm{441713}}^1$

素因数の和:446272

約数の個数: 16

約数和(自身を含む): 303475186560

約数和(自身を除く): 81907970343

約数列:

[1, 3, 37, 111, 4519, 13557, 167203, 441713, 501609, 1325139, 16343381, 49030143, 1996101047, 5988303141, 73855738739, 221567216217]

約数ペア:

[(1, 221567216217), (3, 73855738739), (37, 5988303141), (111, 1996101047), (4519, 49030143), (13557, 16343381), (167203, 1325139), (441713, 501609)]