206481807

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 347922432

約数和(自身を除く): 141440625

約数列:

[1, 3, 7, 9, 21, 63, 127, 131, 197, 381, 393, 591, 889, 917, 1143, 1179, 1379, 1773, 2667, 2751, 4137, 8001, 8253, 12411, 16637, 25019, 25807, 49911, 75057, 77421, 116459, 149733, 175133, 180649, 225171, 232263, 349377, 525399, 541947, 1048131, 1576197, 1625841, 3277489, 9832467, 22942423, 29497401, 68827269, 206481807]

約数ペア:

[(1, 206481807), (3, 68827269), (7, 29497401), (9, 22942423), (21, 9832467), (63, 3277489), (127, 1625841), (131, 1576197), (197, 1048131), (381, 541947), (393, 525399), (591, 349377), (889, 232263), (917, 225171), (1143, 180649), (1179, 175133), (1379, 149733), (1773, 116459), (2667, 77421), (2751, 75057), (4137, 49911), (8001, 25807), (8253, 25019), (12411, 16637)]