2851191

素因数分解:

$3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 4752384

約数和(自身を除く): 1901193

約数列:

[1, 3, 7, 9, 21, 63, 167, 271, 501, 813, 1169, 1503, 1897, 2439, 3507, 5691, 10521, 17073, 45257, 135771, 316799, 407313, 950397, 2851191]

約数ペア:

[(1, 2851191), (3, 950397), (7, 407313), (9, 316799), (21, 135771), (63, 45257), (167, 17073), (271, 10521), (501, 5691), (813, 3507), (1169, 2439), (1503, 1897)]