1277996691

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 1773576000

約数和(自身を除く): 495579309

約数列:

[1, 3, 41, 123, 137, 149, 411, 447, 509, 1527, 5617, 6109, 16851, 18327, 20413, 20869, 61239, 62607, 69733, 75841, 209199, 227523, 836933, 2510799, 2859053, 3109481, 8577159, 9328443, 10390217, 31170651, 425998897, 1277996691]

約数ペア:

[(1, 1277996691), (3, 425998897), (41, 31170651), (123, 10390217), (137, 9328443), (149, 8577159), (411, 3109481), (447, 2859053), (509, 2510799), (1527, 836933), (5617, 227523), (6109, 209199), (16851, 75841), (18327, 69733), (20413, 62607), (20869, 61239)]