27980397

素因数分解:

$3^4\times {\mathrm{23}}^2\times {\mathrm{653}}^1$

素因数の和:711

約数の個数: 30

約数和(自身を含む): 43761102

約数和(自身を除く): 15780705

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 529, 621, 653, 1587, 1863, 1959, 4761, 5877, 14283, 15019, 17631, 42849, 45057, 52893, 135171, 345437, 405513, 1036311, 1216539, 3108933, 9326799, 27980397]

約数ペア:

[(1, 27980397), (3, 9326799), (9, 3108933), (23, 1216539), (27, 1036311), (69, 405513), (81, 345437), (207, 135171), (529, 52893), (621, 45057), (653, 42849), (1587, 17631), (1863, 15019), (1959, 14283), (4761, 5877)]