211945356

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{280351}}^1$

素因数の和:280371

約数の個数: 48

約数和(自身を含む): 627988480

約数和(自身を除く): 416043124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 280351, 560702, 841053, 1121404, 1682106, 1962457, 2523159, 3364212, 3924914, 5046318, 5887371, 7569477, 7849828, 10092636, 11774742, 15138954, 17662113, 23549484, 30277908, 35324226, 52986339, 70648452, 105972678, 211945356]

約数ペア:

[(1, 211945356), (2, 105972678), (3, 70648452), (4, 52986339), (6, 35324226), (7, 30277908), (9, 23549484), (12, 17662113), (14, 15138954), (18, 11774742), (21, 10092636), (27, 7849828), (28, 7569477), (36, 5887371), (42, 5046318), (54, 3924914), (63, 3364212), (84, 2523159), (108, 1962457), (126, 1682106), (189, 1121404), (252, 841053), (378, 560702), (756, 280351)]