12698745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2621}}^1$

素因数の和:2665

約数の個数: 32

約数和(自身を含む): 22654080

約数和(自身を除く): 9955335

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 2621, 4845, 7863, 13105, 39315, 44557, 49799, 133671, 149397, 222785, 248995, 668355, 746985, 846583, 2539749, 4232915, 12698745]

約数ペア:

[(1, 12698745), (3, 4232915), (5, 2539749), (15, 846583), (17, 746985), (19, 668355), (51, 248995), (57, 222785), (85, 149397), (95, 133671), (255, 49799), (285, 44557), (323, 39315), (969, 13105), (1615, 7863), (2621, 4845)]