81563283

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 127670400

約数和(自身を除く): 46107117

約数列:

[1, 3, 9, 29, 47, 61, 87, 109, 141, 183, 261, 327, 423, 549, 981, 1363, 1769, 2867, 3161, 4089, 5123, 5307, 6649, 8601, 9483, 12267, 15369, 15921, 19947, 25803, 28449, 46107, 59841, 83143, 148567, 192821, 249429, 312503, 445701, 578463, 748287, 937509, 1337103, 1735389, 2812527, 9062587, 27187761, 81563283]

約数ペア:

[(1, 81563283), (3, 27187761), (9, 9062587), (29, 2812527), (47, 1735389), (61, 1337103), (87, 937509), (109, 748287), (141, 578463), (183, 445701), (261, 312503), (327, 249429), (423, 192821), (549, 148567), (981, 83143), (1363, 59841), (1769, 46107), (2867, 28449), (3161, 25803), (4089, 19947), (5123, 15921), (5307, 15369), (6649, 12267), (8601, 9483)]