280140255

素因数分解:

$3^3\times 5^1\times {\mathrm{983}}^1\times {\mathrm{2111}}^1$

素因数の和:3108

約数の個数: 32

約数和(自身を含む): 498769920

約数和(自身を除く): 218629665

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 983, 2111, 2949, 4915, 6333, 8847, 10555, 14745, 18999, 26541, 31665, 44235, 56997, 94995, 132705, 284985, 2075113, 6225339, 10375565, 18676017, 31126695, 56028051, 93380085, 280140255]

約数ペア:

[(1, 280140255), (3, 93380085), (5, 56028051), (9, 31126695), (15, 18676017), (27, 10375565), (45, 6225339), (135, 2075113), (983, 284985), (2111, 132705), (2949, 94995), (4915, 56997), (6333, 44235), (8847, 31665), (10555, 26541), (14745, 18999)]