28628085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{857}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 48926592

約数和(自身を除く): 20298507

約数列:

[1, 3, 5, 15, 17, 51, 85, 131, 255, 393, 655, 857, 1965, 2227, 2571, 4285, 6681, 11135, 12855, 14569, 33405, 43707, 72845, 112267, 218535, 336801, 561335, 1684005, 1908539, 5725617, 9542695, 28628085]

約数ペア:

[(1, 28628085), (3, 9542695), (5, 5725617), (15, 1908539), (17, 1684005), (51, 561335), (85, 336801), (131, 218535), (255, 112267), (393, 72845), (655, 43707), (857, 33405), (1965, 14569), (2227, 12855), (2571, 11135), (4285, 6681)]