2111131

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:234

約数の個数: 16

約数和(自身を含む): 2451456

約数和(自身を除く): 340325

約数列:

[1, 11, 31, 41, 151, 341, 451, 1271, 1661, 4681, 6191, 13981, 51491, 68101, 191921, 2111131]

約数ペア:

[(1, 2111131), (11, 191921), (31, 68101), (41, 51491), (151, 13981), (341, 6191), (451, 4681), (1271, 1661)]