1261485

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 2346708

約数和(自身を除く): 1085223

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 97, 153, 255, 289, 291, 485, 765, 867, 873, 1445, 1455, 1649, 2601, 4335, 4365, 4947, 8245, 13005, 14841, 24735, 28033, 74205, 84099, 140165, 252297, 420495, 1261485]

約数ペア:

[(1, 1261485), (3, 420495), (5, 252297), (9, 140165), (15, 84099), (17, 74205), (45, 28033), (51, 24735), (85, 14841), (97, 13005), (153, 8245), (255, 4947), (289, 4365), (291, 4335), (485, 2601), (765, 1649), (867, 1455), (873, 1445)]