220995891

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1489}}^1$

素因数の和:1760

約数の個数: 32

約数和(自身を含む): 343296000

約数和(自身を除く): 122300109

約数列:

[1, 3, 9, 23, 27, 69, 207, 239, 621, 717, 1489, 2151, 4467, 5497, 6453, 13401, 16491, 34247, 40203, 49473, 102741, 148419, 308223, 355871, 924669, 1067613, 3202839, 8185033, 9608517, 24555099, 73665297, 220995891]

約数ペア:

[(1, 220995891), (3, 73665297), (9, 24555099), (23, 9608517), (27, 8185033), (69, 3202839), (207, 1067613), (239, 924669), (621, 355871), (717, 308223), (1489, 148419), (2151, 102741), (4467, 49473), (5497, 40203), (6453, 34247), (13401, 16491)]