190037421

素因数分解:

$3^5\times 7^1\times {\mathrm{111721}}^1$

素因数の和:111743

約数の個数: 24

約数和(自身を含む): 325334464

約数和(自身を除く): 135297043

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 111721, 335163, 782047, 1005489, 2346141, 3016467, 7038423, 9049401, 21115269, 27148203, 63345807, 190037421]

約数ペア:

[(1, 190037421), (3, 63345807), (7, 27148203), (9, 21115269), (21, 9049401), (27, 7038423), (63, 3016467), (81, 2346141), (189, 1005489), (243, 782047), (567, 335163), (1701, 111721)]