166207951

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{20071}}^1$

素因数の和:20111

約数の個数: 18

約数和(自身を含む): 209371032

約数和(自身を除く): 43163081

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 8281, 20071, 140497, 260923, 983479, 1826461, 3391999, 12785227, 23743993, 166207951]

約数ペア:

[(1, 166207951), (7, 23743993), (13, 12785227), (49, 3391999), (91, 1826461), (169, 983479), (637, 260923), (1183, 140497), (8281, 20071)]