81550275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{383}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 143990784

約数和(自身を除く): 62440509

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 167, 255, 383, 425, 501, 835, 1149, 1275, 1915, 2505, 2839, 4175, 5745, 6511, 8517, 9575, 12525, 14195, 19533, 28725, 32555, 42585, 63961, 70975, 97665, 162775, 191883, 212925, 319805, 488325, 959415, 1087337, 1599025, 3262011, 4797075, 5436685, 16310055, 27183425, 81550275]

約数ペア:

[(1, 81550275), (3, 27183425), (5, 16310055), (15, 5436685), (17, 4797075), (25, 3262011), (51, 1599025), (75, 1087337), (85, 959415), (167, 488325), (255, 319805), (383, 212925), (425, 191883), (501, 162775), (835, 97665), (1149, 70975), (1275, 63961), (1915, 42585), (2505, 32555), (2839, 28725), (4175, 19533), (5745, 14195), (6511, 12525), (8517, 9575)]