18378927

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2069}}^1$

素因数の和:2132

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 13416273

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2069, 2961, 6207, 8883, 14483, 18621, 43449, 55863, 97243, 130347, 291729, 391041, 680701, 875187, 2042103, 2625561, 6126309, 18378927]

約数ペア:

[(1, 18378927), (3, 6126309), (7, 2625561), (9, 2042103), (21, 875187), (27, 680701), (47, 391041), (63, 291729), (141, 130347), (189, 97243), (329, 55863), (423, 43449), (987, 18621), (1269, 14483), (2069, 8883), (2961, 6207)]