12897423

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 23901696

約数和(自身を除く): 11004273

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 77, 99, 111, 231, 259, 333, 407, 503, 693, 777, 1221, 1509, 2331, 2849, 3521, 3663, 4527, 5533, 8547, 10563, 16599, 18611, 25641, 31689, 38731, 49797, 55833, 116193, 130277, 167499, 204721, 348579, 390831, 614163, 1172493, 1433047, 1842489, 4299141, 12897423]

約数ペア:

[(1, 12897423), (3, 4299141), (7, 1842489), (9, 1433047), (11, 1172493), (21, 614163), (33, 390831), (37, 348579), (63, 204721), (77, 167499), (99, 130277), (111, 116193), (231, 55833), (259, 49797), (333, 38731), (407, 31689), (503, 25641), (693, 18611), (777, 16599), (1221, 10563), (1509, 8547), (2331, 5533), (2849, 4527), (3521, 3663)]