1899729

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{1249}}^1$

素因数の和:1281

約数の個数: 18

約数和(自身を含む): 2973750

約数和(自身を除く): 1074021

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1249, 1521, 3747, 11241, 16237, 48711, 146133, 211081, 633243, 1899729]

約数ペア:

[(1, 1899729), (3, 633243), (9, 211081), (13, 146133), (39, 48711), (117, 16237), (169, 11241), (507, 3747), (1249, 1521)]