201994217721

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{721921}}^1$

素因数の和:722214

約数の個数: 32

約数和(自身を含む): 307481018240

約数和(自身を除く): 105486800519

約数列:

[1, 3, 9, 27, 43, 129, 241, 387, 723, 1161, 2169, 6507, 10363, 31089, 93267, 279801, 721921, 2165763, 6497289, 19491867, 31042603, 93127809, 173982961, 279383427, 521948883, 838150281, 1565846649, 4697539947, 7481267323, 22443801969, 67331405907, 201994217721]

約数ペア:

[(1, 201994217721), (3, 67331405907), (9, 22443801969), (27, 7481267323), (43, 4697539947), (129, 1565846649), (241, 838150281), (387, 521948883), (723, 279383427), (1161, 173982961), (2169, 93127809), (6507, 31042603), (10363, 19491867), (31089, 6497289), (93267, 2165763), (279801, 721921)]