27787775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{433}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 36810144

約数和(自身を除く): 9022369

約数列:

[1, 5, 17, 25, 85, 151, 425, 433, 755, 2165, 2567, 3775, 7361, 10825, 12835, 36805, 64175, 65383, 184025, 326915, 1111511, 1634575, 5557555, 27787775]

約数ペア:

[(1, 27787775), (5, 5557555), (17, 1634575), (25, 1111511), (85, 326915), (151, 184025), (425, 65383), (433, 64175), (755, 36805), (2165, 12835), (2567, 10825), (3775, 7361)]