51139890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{189407}}^1$

素因数の和:189423

約数の個数: 32

約数和(自身を含む): 136373760

約数和(自身を除く): 85233870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 189407, 378814, 568221, 947035, 1136442, 1704663, 1894070, 2841105, 3409326, 5113989, 5682210, 8523315, 10227978, 17046630, 25569945, 51139890]

約数ペア:

[(1, 51139890), (2, 25569945), (3, 17046630), (5, 10227978), (6, 8523315), (9, 5682210), (10, 5113989), (15, 3409326), (18, 2841105), (27, 1894070), (30, 1704663), (45, 1136442), (54, 947035), (90, 568221), (135, 378814), (270, 189407)]