15880893

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 9520707

約数列:

[1, 3, 7, 21, 29, 87, 89, 203, 267, 293, 609, 623, 879, 1869, 2051, 2581, 6153, 7743, 8497, 18067, 25491, 26077, 54201, 59479, 78231, 178437, 182539, 547617, 756233, 2268699, 5293631, 15880893]

約数ペア:

[(1, 15880893), (3, 5293631), (7, 2268699), (21, 756233), (29, 547617), (87, 182539), (89, 178437), (203, 78231), (267, 59479), (293, 54201), (609, 26077), (623, 25491), (879, 18067), (1869, 8497), (2051, 7743), (2581, 6153)]