221453997

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1\times {\mathrm{3697}}^1$

素因数の和:4228

約数の個数: 16

約数和(自身を含む): 303176832

約数和(自身を除く): 81722835

約数列:

[1, 3, 41, 123, 487, 1461, 3697, 11091, 19967, 59901, 151577, 454731, 1800439, 5401317, 73817999, 221453997]

約数ペア:

[(1, 221453997), (3, 73817999), (41, 5401317), (123, 1800439), (487, 454731), (1461, 151577), (3697, 59901), (11091, 19967)]