212823339

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{7219}}^1$

素因数の和:7570

約数の個数: 16

約数和(自身を含む): 293882880

約数和(自身を除く): 81059541

約数列:

[1, 3, 31, 93, 317, 951, 7219, 9827, 21657, 29481, 223789, 671367, 2288423, 6865269, 70941113, 212823339]

約数ペア:

[(1, 212823339), (3, 70941113), (31, 6865269), (93, 2288423), (317, 671367), (951, 223789), (7219, 29481), (9827, 21657)]