489879009

素因数分解:

$3^5\times {\mathrm{67}}^1\times {\mathrm{30089}}^1$

素因数の和:30171

約数の個数: 24

約数和(自身を含む): 744787680

約数和(自身を除く): 254908671

約数列:

[1, 3, 9, 27, 67, 81, 201, 243, 603, 1809, 5427, 16281, 30089, 90267, 270801, 812403, 2015963, 2437209, 6047889, 7311627, 18143667, 54431001, 163293003, 489879009]

約数ペア:

[(1, 489879009), (3, 163293003), (9, 54431001), (27, 18143667), (67, 7311627), (81, 6047889), (201, 2437209), (243, 2015963), (603, 812403), (1809, 270801), (5427, 90267), (16281, 30089)]