27997710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71789}}^1$

素因数の和:71812

約数の個数: 32

約数和(自身を含む): 72364320

約数和(自身を除く): 44366610

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 71789, 143578, 215367, 358945, 430734, 717890, 933257, 1076835, 1866514, 2153670, 2799771, 4666285, 5599542, 9332570, 13998855, 27997710]

約数ペア:

[(1, 27997710), (2, 13998855), (3, 9332570), (5, 5599542), (6, 4666285), (10, 2799771), (13, 2153670), (15, 1866514), (26, 1076835), (30, 933257), (39, 717890), (65, 430734), (78, 358945), (130, 215367), (195, 143578), (390, 71789)]