280243935

素因数分解:

$3^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{4127}}^1$

素因数の和:4644

約数の個数: 32

約数和(自身を含む): 499322880

約数和(自身を除く): 219078945

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 503, 1509, 2515, 4127, 4527, 7545, 12381, 13581, 20635, 22635, 37143, 61905, 67905, 111429, 185715, 557145, 2075881, 6227643, 10379405, 18682929, 31138215, 56048787, 93414645, 280243935]

約数ペア:

[(1, 280243935), (3, 93414645), (5, 56048787), (9, 31138215), (15, 18682929), (27, 10379405), (45, 6227643), (135, 2075881), (503, 557145), (1509, 185715), (2515, 111429), (4127, 67905), (4527, 61905), (7545, 37143), (12381, 22635), (13581, 20635)]