420860739

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{1499}}^1$

素因数の和:1851

約数の個数: 32

約数和(自身を含む): 633024000

約数和(自身を除く): 212163261

約数列:

[1, 3, 13, 23, 39, 69, 299, 313, 897, 939, 1499, 4069, 4497, 7199, 12207, 19487, 21597, 34477, 58461, 93587, 103431, 280761, 448201, 469187, 1344603, 1407561, 6099431, 10791301, 18298293, 32373903, 140286913, 420860739]

約数ペア:

[(1, 420860739), (3, 140286913), (13, 32373903), (23, 18298293), (39, 10791301), (69, 6099431), (299, 1407561), (313, 1344603), (897, 469187), (939, 448201), (1499, 280761), (4069, 103431), (4497, 93587), (7199, 58461), (12207, 34477), (19487, 21597)]