128442021

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{593}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 188863488

約数和(自身を除く): 60421467

約数列:

[1, 3, 17, 31, 51, 93, 137, 411, 527, 593, 1581, 1779, 2329, 4247, 6987, 10081, 12741, 18383, 30243, 55149, 72199, 81241, 216597, 243723, 312511, 937533, 1381097, 2518471, 4143291, 7555413, 42814007, 128442021]

約数ペア:

[(1, 128442021), (3, 42814007), (17, 7555413), (31, 4143291), (51, 2518471), (93, 1381097), (137, 937533), (411, 312511), (527, 243723), (593, 216597), (1581, 81241), (1779, 72199), (2329, 55149), (4247, 30243), (6987, 18383), (10081, 12741)]