223857981

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{1321}}^1$

素因数の和:2337

約数の個数: 24

約数和(自身を含む): 340970240

約数和(自身を除く): 117112259

約数列:

[1, 3, 9, 19, 57, 171, 991, 1321, 2973, 3963, 8919, 11889, 18829, 25099, 56487, 75297, 169461, 225891, 1309111, 3927333, 11781999, 24873109, 74619327, 223857981]

約数ペア:

[(1, 223857981), (3, 74619327), (9, 24873109), (19, 11781999), (57, 3927333), (171, 1309111), (991, 225891), (1321, 169461), (2973, 75297), (3963, 56487), (8919, 25099), (11889, 18829)]