201247047

素因数分解:

$3^2\times {\mathrm{131}}^2\times {\mathrm{1303}}^1$

素因数の和:1571

約数の個数: 18

約数和(自身を含む): 293150936

約数和(自身を除く): 91903889

約数列:

[1, 3, 9, 131, 393, 1179, 1303, 3909, 11727, 17161, 51483, 154449, 170693, 512079, 1536237, 22360783, 67082349, 201247047]

約数ペア:

[(1, 201247047), (3, 67082349), (9, 22360783), (131, 1536237), (393, 512079), (1179, 170693), (1303, 154449), (3909, 51483), (11727, 17161)]