621310989

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{1297}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 910635264

約数和(自身を除く): 289324275

約数列:

[1, 3, 13, 39, 71, 173, 213, 519, 923, 1297, 2249, 2769, 3891, 6747, 12283, 16861, 36849, 50583, 92087, 159679, 224381, 276261, 479037, 673143, 1197131, 2916953, 3591393, 8750859, 15931051, 47793153, 207103663, 621310989]

約数ペア:

[(1, 621310989), (3, 207103663), (13, 47793153), (39, 15931051), (71, 8750859), (173, 3591393), (213, 2916953), (519, 1197131), (923, 673143), (1297, 479037), (2249, 276261), (2769, 224381), (3891, 159679), (6747, 92087), (12283, 50583), (16861, 36849)]