7571991

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 12284928

約数和(自身を除く): 4712937

約数列:

[1, 3, 7, 21, 23, 61, 69, 161, 183, 257, 427, 483, 771, 1281, 1403, 1799, 4209, 5397, 5911, 9821, 15677, 17733, 29463, 41377, 47031, 109739, 124131, 329217, 360571, 1081713, 2523997, 7571991]

約数ペア:

[(1, 7571991), (3, 2523997), (7, 1081713), (21, 360571), (23, 329217), (61, 124131), (69, 109739), (161, 47031), (183, 41377), (257, 29463), (427, 17733), (483, 15677), (771, 9821), (1281, 5911), (1403, 5397), (1799, 4209)]