2557945161

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{1009}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 3975553920

約数和(自身を除く): 1417608759

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 331, 333, 851, 993, 1009, 2553, 2979, 3027, 7613, 7659, 9081, 12247, 22839, 23207, 36741, 37333, 68517, 69621, 110223, 111999, 208863, 281681, 333979, 335997, 845043, 858659, 1001937, 2535129, 2575977, 3005811, 7681517, 7727931, 12357223, 23044551, 37071669, 69133653, 111215007, 284216129, 852648387, 2557945161]

約数ペア:

[(1, 2557945161), (3, 852648387), (9, 284216129), (23, 111215007), (37, 69133653), (69, 37071669), (111, 23044551), (207, 12357223), (331, 7727931), (333, 7681517), (851, 3005811), (993, 2575977), (1009, 2535129), (2553, 1001937), (2979, 858659), (3027, 845043), (7613, 335997), (7659, 333979), (9081, 281681), (12247, 208863), (22839, 111999), (23207, 110223), (36741, 69621), (37333, 68517)]