80821845

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138157}}^1$

素因数の和:138181

約数の個数: 24

約数和(自身を含む): 150868536

約数和(自身を除く): 70046691

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 138157, 414471, 690785, 1243413, 1796041, 2072355, 5388123, 6217065, 8980205, 16164369, 26940615, 80821845]

約数ペア:

[(1, 80821845), (3, 26940615), (5, 16164369), (9, 8980205), (13, 6217065), (15, 5388123), (39, 2072355), (45, 1796041), (65, 1243413), (117, 690785), (195, 414471), (585, 138157)]