219956811

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 310302720

約数和(自身を除く): 90345909

約数列:

[1, 3, 31, 73, 93, 179, 181, 219, 537, 543, 2263, 5549, 5611, 6789, 13067, 13213, 16647, 16833, 32399, 39201, 39639, 97197, 405077, 409603, 1004369, 1215231, 1228809, 2365127, 3013107, 7095381, 73318937, 219956811]

約数ペア:

[(1, 219956811), (3, 73318937), (31, 7095381), (73, 3013107), (93, 2365127), (179, 1228809), (181, 1215231), (219, 1004369), (537, 409603), (543, 405077), (2263, 97197), (5549, 39639), (5611, 39201), (6789, 32399), (13067, 16833), (13213, 16647)]