31974789

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1427}}^1$

素因数の和:1545

約数の個数: 32

約数和(自身を含む): 53738496

約数和(自身を除く): 21763707

約数列:

[1, 3, 7, 11, 21, 33, 77, 97, 231, 291, 679, 1067, 1427, 2037, 3201, 4281, 7469, 9989, 15697, 22407, 29967, 47091, 109879, 138419, 329637, 415257, 968933, 1522609, 2906799, 4567827, 10658263, 31974789]

約数ペア:

[(1, 31974789), (3, 10658263), (7, 4567827), (11, 2906799), (21, 1522609), (33, 968933), (77, 415257), (97, 329637), (231, 138419), (291, 109879), (679, 47091), (1067, 29967), (1427, 22407), (2037, 15697), (3201, 9989), (4281, 7469)]