222458319

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{373}}^1$

素因数の和:621

約数の個数: 40

約数和(自身を含む): 343930400

約数和(自身を除く): 121472081

約数列:

[1, 3, 9, 27, 37, 81, 111, 199, 333, 373, 597, 999, 1119, 1791, 2997, 3357, 5373, 7363, 10071, 13801, 16119, 22089, 30213, 41403, 66267, 74227, 124209, 198801, 222681, 372627, 596403, 668043, 1117881, 2004129, 2746399, 6012387, 8239197, 24717591, 74152773, 222458319]

約数ペア:

[(1, 222458319), (3, 74152773), (9, 24717591), (27, 8239197), (37, 6012387), (81, 2746399), (111, 2004129), (199, 1117881), (333, 668043), (373, 596403), (597, 372627), (999, 222681), (1119, 198801), (1791, 124209), (2997, 74227), (3357, 66267), (5373, 41403), (7363, 30213), (10071, 22089), (13801, 16119)]