85507821

素因数分解:

$3^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{2377}}^1$

素因数の和:2961

約数の個数: 24

約数和(自身を含む): 141462464

約数和(自身を除く): 55954643

約数列:

[1, 3, 7, 9, 21, 63, 571, 1713, 2377, 3997, 5139, 7131, 11991, 16639, 21393, 35973, 49917, 149751, 1357267, 4071801, 9500869, 12215403, 28502607, 85507821]

約数ペア:

[(1, 85507821), (3, 28502607), (7, 12215403), (9, 9500869), (21, 4071801), (63, 1357267), (571, 149751), (1713, 49917), (2377, 35973), (3997, 21393), (5139, 16639), (7131, 11991)]