15890539

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{431}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 19077120

約数和(自身を除く): 3186581

約数列:

[1, 7, 23, 161, 229, 431, 1603, 3017, 5267, 9913, 36869, 69391, 98699, 690893, 2270077, 15890539]

約数ペア:

[(1, 15890539), (7, 2270077), (23, 690893), (161, 98699), (229, 69391), (431, 36869), (1603, 9913), (3017, 5267)]