28876659

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1721}}^1$

素因数の和:1795

約数の個数: 32

約数和(自身を含む): 47609856

約数和(自身を除く): 18733197

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 799, 987, 1721, 2397, 5163, 5593, 12047, 16779, 29257, 36141, 80887, 87771, 204799, 242661, 566209, 614397, 1375079, 1698627, 4125237, 9625553, 28876659]

約数ペア:

[(1, 28876659), (3, 9625553), (7, 4125237), (17, 1698627), (21, 1375079), (47, 614397), (51, 566209), (119, 242661), (141, 204799), (329, 87771), (357, 80887), (799, 36141), (987, 29257), (1721, 16779), (2397, 12047), (5163, 5593)]