821570217

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1\times {\mathrm{571}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 1199278080

約数和(自身を除く): 377707863

約数列:

[1, 3, 13, 39, 79, 237, 467, 571, 1027, 1401, 1713, 3081, 6071, 7423, 18213, 22269, 36893, 45109, 110679, 135327, 266657, 479609, 586417, 799971, 1438827, 1759251, 3466541, 10399623, 21065903, 63197709, 273856739, 821570217]

約数ペア:

[(1, 821570217), (3, 273856739), (13, 63197709), (39, 21065903), (79, 10399623), (237, 3466541), (467, 1759251), (571, 1438827), (1027, 799971), (1401, 586417), (1713, 479609), (3081, 266657), (6071, 135327), (7423, 110679), (18213, 45109), (22269, 36893)]