39720645

素因数分解:

$3^3\times 5^1\times {\mathrm{294227}}^1$

素因数の和:294241

約数の個数: 16

約数和(自身を含む): 70614720

約数和(自身を除く): 30894075

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 294227, 882681, 1471135, 2648043, 4413405, 7944129, 13240215, 39720645]

約数ペア:

[(1, 39720645), (3, 13240215), (5, 7944129), (9, 4413405), (15, 2648043), (27, 1471135), (45, 882681), (135, 294227)]