87890751

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 156119040

約数和(自身を除く): 68228289

約数列:

[1, 3, 9, 13, 19, 23, 27, 39, 57, 69, 81, 117, 171, 191, 207, 247, 299, 351, 437, 513, 573, 621, 741, 897, 1053, 1311, 1539, 1719, 1863, 2223, 2483, 2691, 3629, 3933, 4393, 5157, 5681, 6669, 7449, 8073, 10887, 11799, 13179, 15471, 17043, 20007, 22347, 24219, 32661, 35397, 39537, 47177, 51129, 57109, 67041, 83467, 97983, 118611, 141531, 153387, 171327, 201123, 250401, 293949, 355833, 424593, 460161, 513981, 751203, 1085071, 1273779, 1541943, 2253609, 3255213, 3821337, 4625829, 6760827, 9765639, 29296917, 87890751]

約数ペア:

[(1, 87890751), (3, 29296917), (9, 9765639), (13, 6760827), (19, 4625829), (23, 3821337), (27, 3255213), (39, 2253609), (57, 1541943), (69, 1273779), (81, 1085071), (117, 751203), (171, 513981), (191, 460161), (207, 424593), (247, 355833), (299, 293949), (351, 250401), (437, 201123), (513, 171327), (573, 153387), (621, 141531), (741, 118611), (897, 97983), (1053, 83467), (1311, 67041), (1539, 57109), (1719, 51129), (1863, 47177), (2223, 39537), (2483, 35397), (2691, 32661), (3629, 24219), (3933, 22347), (4393, 20007), (5157, 17043), (5681, 15471), (6669, 13179), (7449, 11799), (8073, 10887)]