221601639

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{199103}}^1$

素因数の和:199166

約数の個数: 16

約数和(自身を含む): 344051712

約数和(自身を除く): 122450073

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 199103, 597309, 1393721, 4181163, 10552459, 31657377, 73867213, 221601639]

約数ペア:

[(1, 221601639), (3, 73867213), (7, 31657377), (21, 10552459), (53, 4181163), (159, 1393721), (371, 597309), (1113, 199103)]