28946330007

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1\times {\mathrm{1993}}^1$

素因数の和:2520

約数の個数: 64

約数和(自身を含む): 47090304000

約数和(自身を除く): 18143973993

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 267, 399, 409, 623, 1227, 1691, 1869, 1993, 2863, 5073, 5979, 7771, 8589, 11837, 13951, 23313, 35511, 36401, 37867, 41853, 54397, 109203, 113601, 163191, 177377, 254807, 265069, 532131, 691619, 764421, 795207, 815137, 1241639, 2074857, 2445411, 3370163, 3724917, 4841333, 5705959, 10110489, 14523999, 15487603, 17117877, 23591141, 46462809, 70773423, 72547193, 108413221, 217641579, 325239663, 507830351, 1378396667, 1523491053, 4135190001, 9648776669, 28946330007]

約数ペア:

[(1, 28946330007), (3, 9648776669), (7, 4135190001), (19, 1523491053), (21, 1378396667), (57, 507830351), (89, 325239663), (133, 217641579), (267, 108413221), (399, 72547193), (409, 70773423), (623, 46462809), (1227, 23591141), (1691, 17117877), (1869, 15487603), (1993, 14523999), (2863, 10110489), (5073, 5705959), (5979, 4841333), (7771, 3724917), (8589, 3370163), (11837, 2445411), (13951, 2074857), (23313, 1241639), (35511, 815137), (36401, 795207), (37867, 764421), (41853, 691619), (54397, 532131), (109203, 265069), (113601, 254807), (163191, 177377)]