291225942

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{256813}}^1$

素因数の和:256834

約数の個数: 40

約数和(自身を含む): 745787856

約数和(自身を除く): 454561914

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 256813, 513626, 770439, 1540878, 1797691, 2311317, 3595382, 4622634, 5393073, 6933951, 10786146, 13867902, 16179219, 20801853, 32358438, 41603706, 48537657, 97075314, 145612971, 291225942]

約数ペア:

[(1, 291225942), (2, 145612971), (3, 97075314), (6, 48537657), (7, 41603706), (9, 32358438), (14, 20801853), (18, 16179219), (21, 13867902), (27, 10786146), (42, 6933951), (54, 5393073), (63, 4622634), (81, 3595382), (126, 2311317), (162, 1797691), (189, 1540878), (378, 770439), (567, 513626), (1134, 256813)]