257831235

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{100519}}^1$

素因数の和:100552

約数の個数: 32

約数和(自身を含む): 482496000

約数和(自身を除く): 224664765

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 100519, 301557, 502595, 904671, 1507785, 1909861, 2714013, 4523355, 5729583, 9549305, 13570065, 17188749, 28647915, 51566247, 85943745, 257831235]

約数ペア:

[(1, 257831235), (3, 85943745), (5, 51566247), (9, 28647915), (15, 17188749), (19, 13570065), (27, 9549305), (45, 5729583), (57, 4523355), (95, 2714013), (135, 1909861), (171, 1507785), (285, 904671), (513, 502595), (855, 301557), (2565, 100519)]