212748249

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{21601}}^1$

素因数の和:21685

約数の個数: 24

約数和(自身を含む): 334917408

約数和(自身を除く): 122169159

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 469, 1407, 3283, 9849, 21601, 64803, 151207, 453621, 1058449, 1447267, 3175347, 4341801, 10130869, 30392607, 70916083, 212748249]

約数ペア:

[(1, 212748249), (3, 70916083), (7, 30392607), (21, 10130869), (49, 4341801), (67, 3175347), (147, 1447267), (201, 1058449), (469, 453621), (1407, 151207), (3283, 64803), (9849, 21601)]