1261845

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 2419200

約数和(自身を除く): 1157355

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 719, 1755, 2157, 3595, 6471, 9347, 10785, 19413, 28041, 32355, 46735, 84123, 97065, 140205, 252369, 420615, 1261845]

約数ペア:

[(1, 1261845), (3, 420615), (5, 252369), (9, 140205), (13, 97065), (15, 84123), (27, 46735), (39, 32355), (45, 28041), (65, 19413), (117, 10785), (135, 9347), (195, 6471), (351, 3595), (585, 2157), (719, 1755)]