247768983

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3221}}^1$

素因数の和:3285

約数の個数: 64

約数和(自身を含む): 470154240

約数和(自身を除く): 222385257

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 37, 63, 77, 99, 111, 189, 231, 259, 297, 333, 407, 693, 777, 999, 1221, 2079, 2331, 2849, 3221, 3663, 6993, 8547, 9663, 10989, 22547, 25641, 28989, 35431, 67641, 76923, 86967, 106293, 119177, 202923, 248017, 318879, 357531, 608769, 744051, 834239, 956637, 1072593, 1310947, 2232153, 2502717, 3217779, 3932841, 6696459, 7508151, 9176629, 11798523, 22524453, 27529887, 35395569, 82589661, 247768983]

約数ペア:

[(1, 247768983), (3, 82589661), (7, 35395569), (9, 27529887), (11, 22524453), (21, 11798523), (27, 9176629), (33, 7508151), (37, 6696459), (63, 3932841), (77, 3217779), (99, 2502717), (111, 2232153), (189, 1310947), (231, 1072593), (259, 956637), (297, 834239), (333, 744051), (407, 608769), (693, 357531), (777, 318879), (999, 248017), (1221, 202923), (2079, 119177), (2331, 106293), (2849, 86967), (3221, 76923), (3663, 67641), (6993, 35431), (8547, 28989), (9663, 25641), (10989, 22547)]