28407654

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13043}}^1$

素因数の和:13073

約数の個数: 36

約数和(自身を含む): 67659228

約数和(自身を除く): 39251574

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 13043, 26086, 39129, 78258, 117387, 143473, 234774, 286946, 430419, 860838, 1291257, 1578203, 2582514, 3156406, 4734609, 9469218, 14203827, 28407654]

約数ペア:

[(1, 28407654), (2, 14203827), (3, 9469218), (6, 4734609), (9, 3156406), (11, 2582514), (18, 1578203), (22, 1291257), (33, 860838), (66, 430419), (99, 286946), (121, 234774), (198, 143473), (242, 117387), (363, 78258), (726, 39129), (1089, 26086), (2178, 13043)]