16956945

素因数分解:

$3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:447

約数の個数: 40

約数和(自身を含む): 30709800

約数和(自身を除く): 13752855

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 149, 281, 405, 447, 745, 843, 1341, 1405, 2235, 2529, 4023, 4215, 6705, 7587, 12069, 12645, 20115, 22761, 37935, 41869, 60345, 113805, 125607, 209345, 376821, 628035, 1130463, 1884105, 3391389, 5652315, 16956945]

約数ペア:

[(1, 16956945), (3, 5652315), (5, 3391389), (9, 1884105), (15, 1130463), (27, 628035), (45, 376821), (81, 209345), (135, 125607), (149, 113805), (281, 60345), (405, 41869), (447, 37935), (745, 22761), (843, 20115), (1341, 12645), (1405, 12069), (2235, 7587), (2529, 6705), (4023, 4215)]