215721144

素因数分解:

$2^3\times 3^4\times {\mathrm{332903}}^1$

素因数の和:332921

約数の個数: 40

約数和(自身を含む): 604220760

約数和(自身を除く): 388499616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 332903, 665806, 998709, 1331612, 1997418, 2663224, 2996127, 3994836, 5992254, 7989672, 8988381, 11984508, 17976762, 23969016, 26965143, 35953524, 53930286, 71907048, 107860572, 215721144]

約数ペア:

[(1, 215721144), (2, 107860572), (3, 71907048), (4, 53930286), (6, 35953524), (8, 26965143), (9, 23969016), (12, 17976762), (18, 11984508), (24, 8988381), (27, 7989672), (36, 5992254), (54, 3994836), (72, 2996127), (81, 2663224), (108, 1997418), (162, 1331612), (216, 998709), (324, 665806), (648, 332903)]