90004971

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 140797440

約数和(自身を除く): 50792469

約数列:

[1, 3, 7, 21, 53, 159, 193, 371, 419, 579, 1113, 1257, 1351, 2933, 4053, 8799, 10229, 22207, 30687, 66621, 71603, 80867, 155449, 214809, 242601, 466347, 566069, 1698207, 4285951, 12857853, 30001657, 90004971]

約数ペア:

[(1, 90004971), (3, 30001657), (7, 12857853), (21, 4285951), (53, 1698207), (159, 566069), (193, 466347), (371, 242601), (419, 214809), (579, 155449), (1113, 80867), (1257, 71603), (1351, 66621), (2933, 30687), (4053, 22207), (8799, 10229)]