71939187

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{8951}}^1$

素因数の和:9023

約数の個数: 24

約数和(自身を含む): 111720960

約数和(自身を除く): 39781773

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2679, 8037, 8951, 26853, 80559, 170069, 420697, 510207, 1262091, 1530621, 3786273, 7993243, 23979729, 71939187]

約数ペア:

[(1, 71939187), (3, 23979729), (9, 7993243), (19, 3786273), (47, 1530621), (57, 1262091), (141, 510207), (171, 420697), (423, 170069), (893, 80559), (2679, 26853), (8037, 8951)]