1242387

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 1908608

約数和(自身を除く): 666221

約数列:

[1, 3, 9, 31, 61, 73, 93, 183, 219, 279, 549, 657, 1891, 2263, 4453, 5673, 6789, 13359, 17019, 20367, 40077, 138043, 414129, 1242387]

約数ペア:

[(1, 1242387), (3, 414129), (9, 138043), (31, 40077), (61, 20367), (73, 17019), (93, 13359), (183, 6789), (219, 5673), (279, 4453), (549, 2263), (657, 1891)]