218177541

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 344071728

約数和(自身を除く): 125894187

約数列:

[1, 3, 9, 17, 51, 61, 97, 153, 183, 241, 291, 549, 723, 873, 1037, 1649, 2169, 3111, 4097, 4947, 5917, 9333, 12291, 14701, 14841, 17751, 23377, 36873, 44103, 53253, 70131, 100589, 132309, 210393, 249917, 301767, 397409, 749751, 905301, 1192227, 1425997, 2249253, 3576681, 4277991, 12833973, 24241949, 72725847, 218177541]

約数ペア:

[(1, 218177541), (3, 72725847), (9, 24241949), (17, 12833973), (51, 4277991), (61, 3576681), (97, 2249253), (153, 1425997), (183, 1192227), (241, 905301), (291, 749751), (549, 397409), (723, 301767), (873, 249917), (1037, 210393), (1649, 132309), (2169, 100589), (3111, 70131), (4097, 53253), (4947, 44103), (5917, 36873), (9333, 23377), (12291, 17751), (14701, 14841)]