28908807

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{487}}^1$

素因数の和:958

約数の個数: 16

約数和(自身を含む): 39539712

約数和(自身を除く): 10630905

約数列:

[1, 3, 47, 141, 421, 487, 1263, 1461, 19787, 22889, 59361, 68667, 205027, 615081, 9636269, 28908807]

約数ペア:

[(1, 28908807), (3, 9636269), (47, 615081), (141, 205027), (421, 68667), (487, 59361), (1263, 22889), (1461, 19787)]