291246354

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{256831}}^1$

素因数の和:256852

約数の個数: 40

約数和(自身を含む): 745840128

約数和(自身を除く): 454593774

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 256831, 513662, 770493, 1540986, 1797817, 2311479, 3595634, 4622958, 5393451, 6934437, 10786902, 13868874, 16180353, 20803311, 32360706, 41606622, 48541059, 97082118, 145623177, 291246354]

約数ペア:

[(1, 291246354), (2, 145623177), (3, 97082118), (6, 48541059), (7, 41606622), (9, 32360706), (14, 20803311), (18, 16180353), (21, 13868874), (27, 10786902), (42, 6934437), (54, 5393451), (63, 4622958), (81, 3595634), (126, 2311479), (162, 1797817), (189, 1540986), (378, 770493), (567, 513662), (1134, 256831)]