385317

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 20

約数和(自身を含む): 592416

約数和(自身を除く): 207099

約数列:

[1, 3, 9, 27, 67, 71, 81, 201, 213, 603, 639, 1809, 1917, 4757, 5427, 5751, 14271, 42813, 128439, 385317]

約数ペア:

[(1, 385317), (3, 128439), (9, 42813), (27, 14271), (67, 5751), (71, 5427), (81, 4757), (201, 1917), (213, 1809), (603, 639)]