205428993

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{11257}}^1$

素因数の和:11357

約数の個数: 32

約数和(自身を含む): 345845760

約数和(自身を除く): 140416767

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 231, 237, 553, 869, 1659, 2607, 6083, 11257, 18249, 33771, 78799, 123827, 236397, 371481, 866789, 889303, 2600367, 2667909, 6225121, 9782333, 18675363, 29346999, 68476331, 205428993]

約数ペア:

[(1, 205428993), (3, 68476331), (7, 29346999), (11, 18675363), (21, 9782333), (33, 6225121), (77, 2667909), (79, 2600367), (231, 889303), (237, 866789), (553, 371481), (869, 236397), (1659, 123827), (2607, 78799), (6083, 33771), (11257, 18249)]