201318411

素因数分解:

$3^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{3253}}^1$

素因数の和:3691

約数の個数: 24

約数和(自身を含む): 313086864

約数和(自身を除く): 111768453

約数列:

[1, 3, 7, 21, 49, 147, 421, 1263, 2947, 3253, 8841, 9759, 20629, 22771, 61887, 68313, 159397, 478191, 1369513, 4108539, 9586591, 28759773, 67106137, 201318411]

約数ペア:

[(1, 201318411), (3, 67106137), (7, 28759773), (21, 9586591), (49, 4108539), (147, 1369513), (421, 478191), (1263, 159397), (2947, 68313), (3253, 61887), (8841, 22771), (9759, 20629)]