68972547

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 111628800

約数和(自身を除く): 42656253

約数列:

[1, 3, 7, 21, 47, 49, 67, 141, 147, 149, 201, 329, 447, 469, 987, 1043, 1407, 2303, 3129, 3149, 3283, 6909, 7003, 7301, 9447, 9849, 9983, 21009, 21903, 22043, 29949, 49021, 66129, 69881, 147063, 154301, 209643, 343147, 462903, 469201, 489167, 1029441, 1407603, 1467501, 3284407, 9853221, 22990849, 68972547]

約数ペア:

[(1, 68972547), (3, 22990849), (7, 9853221), (21, 3284407), (47, 1467501), (49, 1407603), (67, 1029441), (141, 489167), (147, 469201), (149, 462903), (201, 343147), (329, 209643), (447, 154301), (469, 147063), (987, 69881), (1043, 66129), (1407, 49021), (2303, 29949), (3129, 22043), (3149, 21903), (3283, 21009), (6909, 9983), (7003, 9849), (7301, 9447)]