199227405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{24919}}^1$

素因数の和:24981

約数の個数: 32

約数和(自身を含む): 351671040

約数和(自身を除く): 152443635

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 7995, 24919, 74757, 124595, 323947, 373785, 971841, 1021679, 1619735, 3065037, 4859205, 5108395, 13281827, 15325185, 39845481, 66409135, 199227405]

約数ペア:

[(1, 199227405), (3, 66409135), (5, 39845481), (13, 15325185), (15, 13281827), (39, 5108395), (41, 4859205), (65, 3065037), (123, 1619735), (195, 1021679), (205, 971841), (533, 373785), (615, 323947), (1599, 124595), (2665, 74757), (7995, 24919)]