199877181

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307031}}^1$

素因数の和:307072

約数の個数: 16

約数和(自身を含む): 314400768

約数和(自身を除く): 114523587

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 307031, 921093, 2149217, 6447651, 9517961, 28553883, 66625727, 199877181]

約数ペア:

[(1, 199877181), (3, 66625727), (7, 28553883), (21, 9517961), (31, 6447651), (93, 2149217), (217, 921093), (651, 307031)]