18675027

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 34572096

約数和(自身を除く): 15897069

約数列:

[1, 3, 7, 9, 17, 21, 47, 49, 51, 53, 63, 119, 141, 147, 153, 159, 329, 357, 371, 423, 441, 477, 799, 833, 901, 987, 1071, 1113, 2303, 2397, 2491, 2499, 2597, 2703, 2961, 3339, 5593, 6307, 6909, 7191, 7473, 7497, 7791, 8109, 16779, 17437, 18921, 20727, 22419, 23373, 39151, 42347, 44149, 50337, 52311, 56763, 117453, 122059, 127041, 132447, 156933, 296429, 352359, 366177, 381123, 397341, 889287, 1098531, 2075003, 2667861, 6225009, 18675027]

約数ペア:

[(1, 18675027), (3, 6225009), (7, 2667861), (9, 2075003), (17, 1098531), (21, 889287), (47, 397341), (49, 381123), (51, 366177), (53, 352359), (63, 296429), (119, 156933), (141, 132447), (147, 127041), (153, 122059), (159, 117453), (329, 56763), (357, 52311), (371, 50337), (423, 44149), (441, 42347), (477, 39151), (799, 23373), (833, 22419), (901, 20727), (987, 18921), (1071, 17437), (1113, 16779), (2303, 8109), (2397, 7791), (2491, 7497), (2499, 7473), (2597, 7191), (2703, 6909), (2961, 6307), (3339, 5593)]