16664949

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 30730752

約数和(自身を除く): 14065803

約数列:

[1, 3, 7, 9, 21, 23, 31, 49, 53, 63, 69, 93, 147, 159, 161, 207, 217, 279, 371, 441, 477, 483, 651, 713, 1113, 1127, 1219, 1449, 1519, 1643, 1953, 2139, 2597, 3339, 3381, 3657, 4557, 4929, 4991, 6417, 7791, 8533, 10143, 10971, 11501, 13671, 14787, 14973, 23373, 25599, 34503, 34937, 37789, 44919, 59731, 76797, 80507, 103509, 104811, 113367, 179193, 241521, 264523, 314433, 340101, 537579, 724563, 793569, 1851661, 2380707, 5554983, 16664949]

約数ペア:

[(1, 16664949), (3, 5554983), (7, 2380707), (9, 1851661), (21, 793569), (23, 724563), (31, 537579), (49, 340101), (53, 314433), (63, 264523), (69, 241521), (93, 179193), (147, 113367), (159, 104811), (161, 103509), (207, 80507), (217, 76797), (279, 59731), (371, 44919), (441, 37789), (477, 34937), (483, 34503), (651, 25599), (713, 23373), (1113, 14973), (1127, 14787), (1219, 13671), (1449, 11501), (1519, 10971), (1643, 10143), (1953, 8533), (2139, 7791), (2597, 6417), (3339, 4991), (3381, 4929), (3657, 4557)]