212958081

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 388177920

約数和(自身を除く): 175219839

約数列:

[1, 3, 7, 9, 21, 23, 47, 53, 59, 63, 69, 141, 159, 161, 177, 207, 329, 371, 413, 423, 477, 483, 531, 987, 1081, 1113, 1219, 1239, 1357, 1449, 2491, 2773, 2961, 3127, 3243, 3339, 3657, 3717, 4071, 7473, 7567, 8319, 8533, 9381, 9499, 9729, 10971, 12213, 17437, 19411, 21889, 22419, 22701, 24957, 25599, 28143, 28497, 52311, 57293, 58233, 63779, 65667, 68103, 71921, 76797, 85491, 146969, 156933, 171879, 174699, 191337, 197001, 215763, 401051, 440907, 446453, 503447, 515637, 574011, 647289, 1028783, 1203153, 1322721, 1339359, 1510341, 3086349, 3380287, 3609459, 4018077, 4531023, 9259047, 10140861, 23662009, 30422583, 70986027, 212958081]

約数ペア:

[(1, 212958081), (3, 70986027), (7, 30422583), (9, 23662009), (21, 10140861), (23, 9259047), (47, 4531023), (53, 4018077), (59, 3609459), (63, 3380287), (69, 3086349), (141, 1510341), (159, 1339359), (161, 1322721), (177, 1203153), (207, 1028783), (329, 647289), (371, 574011), (413, 515637), (423, 503447), (477, 446453), (483, 440907), (531, 401051), (987, 215763), (1081, 197001), (1113, 191337), (1219, 174699), (1239, 171879), (1357, 156933), (1449, 146969), (2491, 85491), (2773, 76797), (2961, 71921), (3127, 68103), (3243, 65667), (3339, 63779), (3657, 58233), (3717, 57293), (4071, 52311), (7473, 28497), (7567, 28143), (8319, 25599), (8533, 24957), (9381, 22701), (9499, 22419), (9729, 21889), (10971, 19411), (12213, 17437)]