219981189

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1\times {\mathrm{1213}}^1$

素因数の和:2268

約数の個数: 16

約数和(自身を含む): 298663424

約数和(自身を除く): 78682235

約数列:

[1, 3, 61, 183, 991, 1213, 2973, 3639, 60451, 73993, 181353, 221979, 1202083, 3606249, 73327063, 219981189]

約数ペア:

[(1, 219981189), (3, 73327063), (61, 3606249), (183, 1202083), (991, 221979), (1213, 181353), (2973, 73993), (3639, 60451)]