201521680577

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{2153}}^1\times {\mathrm{581369}}^1$

素因数の和:583552

約数の個数: 16

約数和(自身を含む): 240436028160

約数和(自身を除く): 38914347583

約数列:

[1, 7, 23, 161, 2153, 15071, 49519, 346633, 581369, 4069583, 13371487, 93600409, 1251687457, 8761812199, 28788811511, 201521680577]

約数ペア:

[(1, 201521680577), (7, 28788811511), (23, 8761812199), (161, 1251687457), (2153, 93600409), (15071, 13371487), (49519, 4069583), (346633, 581369)]