213311813

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{3461}}^1$

素因数の和:3916

約数の個数: 16

約数和(自身を含む): 251258112

約数和(自身を除く): 37946299

約数列:

[1, 11, 13, 143, 431, 3461, 4741, 5603, 38071, 44993, 61633, 494923, 1491691, 16408601, 19391983, 213311813]

約数ペア:

[(1, 213311813), (11, 19391983), (13, 16408601), (143, 1491691), (431, 494923), (3461, 61633), (4741, 44993), (5603, 38071)]