805372065

素因数分解:

$3^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{5009}}^1$

素因数の和:5423

約数の個数: 40

約数和(自身を含む): 1447629480

約数和(自身を除く): 642257415

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 397, 405, 1191, 1985, 3573, 5009, 5955, 10719, 15027, 17865, 25045, 32157, 45081, 53595, 75135, 135243, 160785, 225405, 405729, 676215, 1988573, 2028645, 5965719, 9942865, 17897157, 29828595, 53691471, 89485785, 161074413, 268457355, 805372065]

約数ペア:

[(1, 805372065), (3, 268457355), (5, 161074413), (9, 89485785), (15, 53691471), (27, 29828595), (45, 17897157), (81, 9942865), (135, 5965719), (397, 2028645), (405, 1988573), (1191, 676215), (1985, 405729), (3573, 225405), (5009, 160785), (5955, 135243), (10719, 75135), (15027, 53595), (17865, 45081), (25045, 32157)]