259752801

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{601}}^1\times {\mathrm{1871}}^1$

素因数の和:2493

約数の個数: 32

約数和(自身を含む): 432746496

約数和(自身を除く): 172993695

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 601, 1803, 1871, 4207, 5613, 6611, 12621, 13097, 19833, 20581, 39291, 46277, 61743, 138831, 144067, 432201, 1124471, 3373413, 7871297, 12369181, 23613891, 37107543, 86584267, 259752801]

約数ペア:

[(1, 259752801), (3, 86584267), (7, 37107543), (11, 23613891), (21, 12369181), (33, 7871297), (77, 3373413), (231, 1124471), (601, 432201), (1803, 144067), (1871, 138831), (4207, 61743), (5613, 46277), (6611, 39291), (12621, 20581), (13097, 19833)]