219940077

素因数分解:

$3^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{5521}}^1$

素因数の和:5809

約数の個数: 24

約数和(自身を含む): 342452352

約数和(自身を除く): 122512275

約数列:

[1, 3, 7, 21, 49, 147, 271, 813, 1897, 5521, 5691, 13279, 16563, 38647, 39837, 115941, 270529, 811587, 1496191, 4488573, 10473337, 31420011, 73313359, 219940077]

約数ペア:

[(1, 219940077), (3, 73313359), (7, 31420011), (21, 10473337), (49, 4488573), (147, 1496191), (271, 811587), (813, 270529), (1897, 115941), (5521, 39837), (5691, 38647), (13279, 16563)]