219933021

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{136013}}^1$

素因数の和:136041

約数の個数: 24

約数和(自身を含む): 372134304

約数和(自身を除く): 152201283

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 136013, 408039, 952091, 1496143, 2856273, 4488429, 6664637, 10473001, 19993911, 31419003, 73311007, 219933021]

約数ペア:

[(1, 219933021), (3, 73311007), (7, 31419003), (11, 19993911), (21, 10473001), (33, 6664637), (49, 4488429), (77, 2856273), (147, 1496143), (231, 952091), (539, 408039), (1617, 136013)]