81974538

素因数分解:

$2^1\times 3^3\times {\mathrm{181}}^1\times {\mathrm{8387}}^1$

素因数の和:8579

約数の個数: 32

約数和(自身を含む): 183193920

約数和(自身を除く): 101219382

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 181, 362, 543, 1086, 1629, 3258, 4887, 8387, 9774, 16774, 25161, 50322, 75483, 150966, 226449, 452898, 1518047, 3036094, 4554141, 9108282, 13662423, 27324846, 40987269, 81974538]

約数ペア:

[(1, 81974538), (2, 40987269), (3, 27324846), (6, 13662423), (9, 9108282), (18, 4554141), (27, 3036094), (54, 1518047), (181, 452898), (362, 226449), (543, 150966), (1086, 75483), (1629, 50322), (3258, 25161), (4887, 16774), (8387, 9774)]