63333333

素因数分解:

$3^8\times 7^2\times {\mathrm{197}}^1$

素因数の和:235

約数の個数: 54

約数和(自身を含む): 111065526

約数和(自身を除く): 47732193

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 197, 243, 441, 567, 591, 729, 1323, 1379, 1701, 1773, 2187, 3969, 4137, 5103, 5319, 6561, 9653, 11907, 12411, 15309, 15957, 28959, 35721, 37233, 45927, 47871, 86877, 107163, 111699, 143613, 260631, 321489, 335097, 430839, 781893, 1005291, 1292517, 2345679, 3015873, 7037037, 9047619, 21111111, 63333333]

約数ペア:

[(1, 63333333), (3, 21111111), (7, 9047619), (9, 7037037), (21, 3015873), (27, 2345679), (49, 1292517), (63, 1005291), (81, 781893), (147, 430839), (189, 335097), (197, 321489), (243, 260631), (441, 143613), (567, 111699), (591, 107163), (729, 86877), (1323, 47871), (1379, 45927), (1701, 37233), (1773, 35721), (2187, 28959), (3969, 15957), (4137, 15309), (5103, 12411), (5319, 11907), (6561, 9653)]