664599993

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{55259}}^1$

素因数の和:55492

約数の個数: 16

約数和(自身を含む): 937209600

約数和(自身を除く): 272609607

約数列:

[1, 3, 19, 57, 211, 633, 4009, 12027, 55259, 165777, 1049921, 3149763, 11659649, 34978947, 221533331, 664599993]

約数ペア:

[(1, 664599993), (3, 221533331), (19, 34978947), (57, 11659649), (211, 3149763), (633, 1049921), (4009, 165777), (12027, 55259)]