212261679

素因数分解:

$3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{4673}}^1$

素因数の和:4796

約数の個数: 36

約数和(自身を含む): 360197136

約数和(自身を除く): 147935457

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 309, 441, 721, 927, 2163, 4673, 5047, 6489, 14019, 15141, 32711, 42057, 45423, 98133, 228977, 294399, 481319, 686931, 1443957, 2060793, 3369233, 4331871, 10107699, 23584631, 30323097, 70753893, 212261679]

約数ペア:

[(1, 212261679), (3, 70753893), (7, 30323097), (9, 23584631), (21, 10107699), (49, 4331871), (63, 3369233), (103, 2060793), (147, 1443957), (309, 686931), (441, 481319), (721, 294399), (927, 228977), (2163, 98133), (4673, 45423), (5047, 42057), (6489, 32711), (14019, 15141)]