280053315

素因数分解:

$3^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4951}}^1$

素因数の和:5384

約数の個数: 32

約数和(自身を含む): 499161600

約数和(自身を除く): 219108285

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 419, 1257, 2095, 3771, 4951, 6285, 11313, 14853, 18855, 24755, 44559, 56565, 74265, 133677, 222795, 668385, 2074469, 6223407, 10372345, 18670221, 31117035, 56010663, 93351105, 280053315]

約数ペア:

[(1, 280053315), (3, 93351105), (5, 56010663), (9, 31117035), (15, 18670221), (27, 10372345), (45, 6223407), (135, 2074469), (419, 668385), (1257, 222795), (2095, 133677), (3771, 74265), (4951, 56565), (6285, 44559), (11313, 24755), (14853, 18855)]