642906

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 1617408

約数和(自身を除く): 974502

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 66, 99, 102, 153, 187, 191, 198, 306, 374, 382, 561, 573, 1122, 1146, 1683, 1719, 2101, 3247, 3366, 3438, 4202, 6303, 6494, 9741, 12606, 18909, 19482, 29223, 35717, 37818, 58446, 71434, 107151, 214302, 321453, 642906]

約数ペア:

[(1, 642906), (2, 321453), (3, 214302), (6, 107151), (9, 71434), (11, 58446), (17, 37818), (18, 35717), (22, 29223), (33, 19482), (34, 18909), (51, 12606), (66, 9741), (99, 6494), (102, 6303), (153, 4202), (187, 3438), (191, 3366), (198, 3247), (306, 2101), (374, 1719), (382, 1683), (561, 1146), (573, 1122)]