816287787

素因数分解:

$3^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7867}}^1$

素因数の和:7950

約数の個数: 48

約数和(自身を含む): 1420520192

約数和(自身を除く): 604232405

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 243, 427, 549, 567, 1281, 1647, 1701, 3843, 4941, 7867, 11529, 14823, 23601, 34587, 55069, 70803, 103761, 165207, 212409, 479887, 495621, 637227, 1439661, 1486863, 1911681, 3359209, 4318983, 4460589, 10077627, 12956949, 13381767, 30232881, 38870847, 90698643, 116612541, 272095929, 816287787]

約数ペア:

[(1, 816287787), (3, 272095929), (7, 116612541), (9, 90698643), (21, 38870847), (27, 30232881), (61, 13381767), (63, 12956949), (81, 10077627), (183, 4460589), (189, 4318983), (243, 3359209), (427, 1911681), (549, 1486863), (567, 1439661), (1281, 637227), (1647, 495621), (1701, 479887), (3843, 212409), (4941, 165207), (7867, 103761), (11529, 70803), (14823, 55069), (23601, 34587)]