1380973347

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{21737}}^1$

素因数の和:21940

約数の個数: 32

約数和(自身を含む): 2215536960

約数和(自身を除く): 834563613

約数列:

[1, 3, 9, 13, 27, 39, 117, 181, 351, 543, 1629, 2353, 4887, 7059, 21177, 21737, 63531, 65211, 195633, 282581, 586899, 847743, 2543229, 3934397, 7629687, 11803191, 35409573, 51147161, 106228719, 153441483, 460324449, 1380973347]

約数ペア:

[(1, 1380973347), (3, 460324449), (9, 153441483), (13, 106228719), (27, 51147161), (39, 35409573), (117, 11803191), (181, 7629687), (351, 3934397), (543, 2543229), (1629, 847743), (2353, 586899), (4887, 282581), (7059, 195633), (21177, 65211), (21737, 63531)]