290988249

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1283}}^1$

素因数の和:1501

約数の個数: 32

約数和(自身を含む): 428958720

約数和(自身を除く): 137970471

約数列:

[1, 3, 19, 23, 57, 69, 173, 437, 519, 1283, 1311, 3287, 3849, 3979, 9861, 11937, 24377, 29509, 73131, 75601, 88527, 221959, 226803, 560671, 665877, 1682013, 4217221, 5105057, 12651663, 15315171, 96996083, 290988249]

約数ペア:

[(1, 290988249), (3, 96996083), (19, 15315171), (23, 12651663), (57, 5105057), (69, 4217221), (173, 1682013), (437, 665877), (519, 560671), (1283, 226803), (1311, 221959), (3287, 88527), (3849, 75601), (3979, 73131), (9861, 29509), (11937, 24377)]