1221804

素因数分解:

$2^2\times 3^6\times {\mathrm{419}}^1$

素因数の和:441

約数の個数: 42

約数和(自身を含む): 3213420

約数和(自身を除く): 1991616

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 419, 486, 729, 838, 972, 1257, 1458, 1676, 2514, 2916, 3771, 5028, 7542, 11313, 15084, 22626, 33939, 45252, 67878, 101817, 135756, 203634, 305451, 407268, 610902, 1221804]

約数ペア:

[(1, 1221804), (2, 610902), (3, 407268), (4, 305451), (6, 203634), (9, 135756), (12, 101817), (18, 67878), (27, 45252), (36, 33939), (54, 22626), (81, 15084), (108, 11313), (162, 7542), (243, 5028), (324, 3771), (419, 2916), (486, 2514), (729, 1676), (838, 1458), (972, 1257)]