12008655

素因数分解:

$3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:365

約数の個数: 40

約数和(自身を含む): 21780000

約数和(自身を除く): 9771345

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 149, 199, 405, 447, 597, 745, 995, 1341, 1791, 2235, 2985, 4023, 5373, 6705, 8955, 12069, 16119, 20115, 26865, 29651, 60345, 80595, 88953, 148255, 266859, 444765, 800577, 1334295, 2401731, 4002885, 12008655]

約数ペア:

[(1, 12008655), (3, 4002885), (5, 2401731), (9, 1334295), (15, 800577), (27, 444765), (45, 266859), (81, 148255), (135, 88953), (149, 80595), (199, 60345), (405, 29651), (447, 26865), (597, 20115), (745, 16119), (995, 12069), (1341, 8955), (1791, 6705), (2235, 5373), (2985, 4023)]