998997

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 16

約数和(自身を含む): 1392768

約数和(自身を除く): 393771

約数列:

[1, 3, 53, 61, 103, 159, 183, 309, 3233, 5459, 6283, 9699, 16377, 18849, 332999, 998997]

約数ペア:

[(1, 998997), (3, 332999), (53, 18849), (61, 16377), (103, 9699), (159, 6283), (183, 5459), (309, 3233)]