257707923

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{211063}}^1$

素因数の和:211114

約数の個数: 16

約数和(自身を含む): 384980736

約数和(自身を除く): 127272813

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 211063, 633189, 2321693, 6965079, 7809331, 23427993, 85902641, 257707923]

約数ペア:

[(1, 257707923), (3, 85902641), (11, 23427993), (33, 7809331), (37, 6965079), (111, 2321693), (407, 633189), (1221, 211063)]