1275404385

素因数分解:

$3^1\times 5^1\times {\mathrm{6781}}^1\times {\mathrm{12539}}^1$

素因数の和:19328

約数の個数: 16

約数和(自身を含む): 2041110720

約数和(自身を除く): 765706335

約数列:

[1, 3, 5, 15, 6781, 12539, 20343, 33905, 37617, 62695, 101715, 188085, 85026959, 255080877, 425134795, 1275404385]

約数ペア:

[(1, 1275404385), (3, 425134795), (5, 255080877), (15, 85026959), (6781, 188085), (12539, 101715), (20343, 62695), (33905, 37617)]