213343305

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{15277}}^1$

素因数の和:15318

約数の個数: 48

約数和(自身を含む): 418006080

約数和(自身を除く): 204662775

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 13965, 15277, 45831, 76385, 106939, 229155, 290263, 320817, 534695, 748573, 870789, 1451315, 1604085, 2031841, 2245719, 3742865, 4353945, 6095523, 10159205, 11228595, 14222887, 30477615, 42668661, 71114435, 213343305]

約数ペア:

[(1, 213343305), (3, 71114435), (5, 42668661), (7, 30477615), (15, 14222887), (19, 11228595), (21, 10159205), (35, 6095523), (49, 4353945), (57, 3742865), (95, 2245719), (105, 2031841), (133, 1604085), (147, 1451315), (245, 870789), (285, 748573), (399, 534695), (665, 320817), (735, 290263), (931, 229155), (1995, 106939), (2793, 76385), (4655, 45831), (13965, 15277)]