25079229

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 45615960

約数和(自身を除く): 20536731

約数列:

[1, 3, 7, 9, 21, 29, 37, 49, 53, 63, 87, 111, 147, 159, 203, 259, 261, 333, 371, 441, 477, 609, 777, 1073, 1113, 1421, 1537, 1813, 1827, 1961, 2331, 2597, 3219, 3339, 4263, 4611, 5439, 5883, 7511, 7791, 9657, 10759, 12789, 13727, 13833, 16317, 17649, 22533, 23373, 32277, 41181, 52577, 56869, 67599, 75313, 96089, 96831, 123543, 157731, 170607, 225939, 288267, 398083, 473193, 511821, 677817, 864801, 1194249, 2786581, 3582747, 8359743, 25079229]

約数ペア:

[(1, 25079229), (3, 8359743), (7, 3582747), (9, 2786581), (21, 1194249), (29, 864801), (37, 677817), (49, 511821), (53, 473193), (63, 398083), (87, 288267), (111, 225939), (147, 170607), (159, 157731), (203, 123543), (259, 96831), (261, 96089), (333, 75313), (371, 67599), (441, 56869), (477, 52577), (609, 41181), (777, 32277), (1073, 23373), (1113, 22533), (1421, 17649), (1537, 16317), (1813, 13833), (1827, 13727), (1961, 12789), (2331, 10759), (2597, 9657), (3219, 7791), (3339, 7511), (4263, 5883), (4611, 5439)]