28198401

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2069}}^1$

素因数の和:2149

約数の個数: 32

約数和(自身を含む): 47692800

約数和(自身を除く): 19494399

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 177, 231, 413, 649, 1239, 1947, 2069, 4543, 6207, 13629, 14483, 22759, 43449, 68277, 122071, 159313, 366213, 477939, 854497, 1342781, 2563491, 4028343, 9399467, 28198401]

約数ペア:

[(1, 28198401), (3, 9399467), (7, 4028343), (11, 2563491), (21, 1342781), (33, 854497), (59, 477939), (77, 366213), (177, 159313), (231, 122071), (413, 68277), (649, 43449), (1239, 22759), (1947, 14483), (2069, 13629), (4543, 6207)]