51980697

素因数分解:

$3^4\times {\mathrm{491}}^1\times {\mathrm{1307}}^1$

素因数の和:1810

約数の個数: 20

約数和(自身を含む): 77867856

約数和(自身を除く): 25887159

約数列:

[1, 3, 9, 27, 81, 491, 1307, 1473, 3921, 4419, 11763, 13257, 35289, 39771, 105867, 641737, 1925211, 5775633, 17326899, 51980697]

約数ペア:

[(1, 51980697), (3, 17326899), (9, 5775633), (27, 1925211), (81, 641737), (491, 105867), (1307, 39771), (1473, 35289), (3921, 13257), (4419, 11763)]