201222585

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103991}}^1$

素因数の和:104045

約数の個数: 24

約数和(自身を含む): 356900544

約数和(自身を除く): 155677959

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 103991, 311973, 519955, 935919, 1559865, 4471613, 4679595, 13414839, 22358065, 40244517, 67074195, 201222585]

約数ペア:

[(1, 201222585), (3, 67074195), (5, 40244517), (9, 22358065), (15, 13414839), (43, 4679595), (45, 4471613), (129, 1559865), (215, 935919), (387, 519955), (645, 311973), (1935, 103991)]