2221119

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 3494400

約数和(自身を除く): 1273281

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 419, 589, 1257, 1767, 3771, 5301, 7961, 12989, 23883, 38967, 71649, 116901, 246791, 740373, 2221119]

約数ペア:

[(1, 2221119), (3, 740373), (9, 246791), (19, 116901), (31, 71649), (57, 38967), (93, 23883), (171, 12989), (279, 7961), (419, 5301), (589, 3771), (1257, 1767)]