209415501

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{2131}}^1$

素因数の和:2377

約数の個数: 24

約数和(自身を含む): 309310560

約数和(自身を除く): 99895059

約数列:

[1, 3, 9, 61, 179, 183, 537, 549, 1611, 2131, 6393, 10919, 19179, 32757, 98271, 129991, 381449, 389973, 1144347, 1169919, 3433041, 23268389, 69805167, 209415501]

約数ペア:

[(1, 209415501), (3, 69805167), (9, 23268389), (61, 3433041), (179, 1169919), (183, 1144347), (537, 389973), (549, 381449), (1611, 129991), (2131, 98271), (6393, 32757), (10919, 19179)]