201478431

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2143}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 346744832

約数和(自身を除く): 145266401

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 121, 231, 259, 363, 407, 777, 847, 1221, 2143, 2541, 2849, 4477, 6429, 8547, 13431, 15001, 23573, 31339, 45003, 70719, 79291, 94017, 165011, 237873, 259303, 495033, 555037, 777909, 872201, 1665111, 1815121, 2616603, 5445363, 6105407, 9594211, 18316221, 28782633, 67159477, 201478431]

約数ペア:

[(1, 201478431), (3, 67159477), (7, 28782633), (11, 18316221), (21, 9594211), (33, 6105407), (37, 5445363), (77, 2616603), (111, 1815121), (121, 1665111), (231, 872201), (259, 777909), (363, 555037), (407, 495033), (777, 259303), (847, 237873), (1221, 165011), (2143, 94017), (2541, 79291), (2849, 70719), (4477, 45003), (6429, 31339), (8547, 23573), (13431, 15001)]