159856821

素因数分解:

$3^5\times {\mathrm{461}}^1\times {\mathrm{1427}}^1$

素因数の和:1903

約数の個数: 24

約数和(自身を含む): 240143904

約数和(自身を除く): 80287083

約数列:

[1, 3, 9, 27, 81, 243, 461, 1383, 1427, 4149, 4281, 12447, 12843, 37341, 38529, 112023, 115587, 346761, 657847, 1973541, 5920623, 17761869, 53285607, 159856821]

約数ペア:

[(1, 159856821), (3, 53285607), (9, 17761869), (27, 5920623), (81, 1973541), (243, 657847), (461, 346761), (1383, 115587), (1427, 112023), (4149, 38529), (4281, 37341), (12447, 12843)]