381717

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:169

約数の個数: 24

約数和(自身を含む): 646464

約数和(自身を除く): 264747

約数列:

[1, 3, 7, 9, 21, 63, 73, 83, 219, 249, 511, 581, 657, 747, 1533, 1743, 4599, 5229, 6059, 18177, 42413, 54531, 127239, 381717]

約数ペア:

[(1, 381717), (3, 127239), (7, 54531), (9, 42413), (21, 18177), (63, 6059), (73, 5229), (83, 4599), (219, 1743), (249, 1533), (511, 747), (581, 657)]