211044609

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{137131}}^1$

素因数の和:137162

約数の個数: 20

約数和(自身を含む): 331859440

約数和(自身を除く): 120814831

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 137131, 411393, 1234179, 2605489, 3702537, 7816467, 11107611, 23449401, 70348203, 211044609]

約数ペア:

[(1, 211044609), (3, 70348203), (9, 23449401), (19, 11107611), (27, 7816467), (57, 3702537), (81, 2605489), (171, 1234179), (513, 411393), (1539, 137131)]