53857989

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 88058880

約数和(自身を除く): 34200891

約数列:

[1, 3, 9, 17, 19, 51, 57, 97, 153, 171, 191, 291, 323, 573, 873, 969, 1649, 1719, 1843, 2907, 3247, 3629, 4947, 5529, 9741, 10887, 14841, 16587, 18527, 29223, 31331, 32661, 55581, 61693, 93993, 166743, 185079, 281979, 314959, 352013, 555237, 944877, 1056039, 2834631, 3168117, 5984221, 17952663, 53857989]

約数ペア:

[(1, 53857989), (3, 17952663), (9, 5984221), (17, 3168117), (19, 2834631), (51, 1056039), (57, 944877), (97, 555237), (153, 352013), (171, 314959), (191, 281979), (291, 185079), (323, 166743), (573, 93993), (873, 61693), (969, 55581), (1649, 32661), (1719, 31331), (1843, 29223), (2907, 18527), (3247, 16587), (3629, 14841), (4947, 10887), (5529, 9741)]