189492723

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{7213}}^1$

素因数の和:7368

約数の個数: 32

約数和(自身を含む): 323187200

約数和(自身を除く): 133694477

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 189, 417, 973, 1251, 2919, 3753, 7213, 8757, 21639, 26271, 50491, 64917, 151473, 194751, 454419, 1002607, 1363257, 3007821, 7018249, 9023463, 21054747, 27070389, 63164241, 189492723]

約数ペア:

[(1, 189492723), (3, 63164241), (7, 27070389), (9, 21054747), (21, 9023463), (27, 7018249), (63, 3007821), (139, 1363257), (189, 1002607), (417, 454419), (973, 194751), (1251, 151473), (2919, 64917), (3753, 50491), (7213, 26271), (8757, 21639)]