2016827181

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:696

約数の個数: 80

約数和(自身を含む): 3386180160

約数和(自身を除く): 1369352979

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 157, 171, 323, 459, 471, 491, 513, 969, 1377, 1413, 1473, 1539, 2669, 2907, 2983, 4239, 4419, 8007, 8347, 8721, 8949, 9329, 12717, 13257, 24021, 25041, 26163, 26847, 27987, 39771, 50711, 72063, 75123, 77087, 80541, 83961, 152133, 158593, 216189, 225369, 231261, 241623, 251883, 456399, 475779, 676107, 693783, 755649, 1310479, 1369197, 1427337, 1464653, 2081349, 3931437, 4107591, 4282011, 4393959, 6244047, 11794311, 12846033, 13181877, 24899101, 35382933, 39545631, 74697303, 106148799, 118636893, 224091909, 672275727, 2016827181]

約数ペア:

[(1, 2016827181), (3, 672275727), (9, 224091909), (17, 118636893), (19, 106148799), (27, 74697303), (51, 39545631), (57, 35382933), (81, 24899101), (153, 13181877), (157, 12846033), (171, 11794311), (323, 6244047), (459, 4393959), (471, 4282011), (491, 4107591), (513, 3931437), (969, 2081349), (1377, 1464653), (1413, 1427337), (1473, 1369197), (1539, 1310479), (2669, 755649), (2907, 693783), (2983, 676107), (4239, 475779), (4419, 456399), (8007, 251883), (8347, 241623), (8721, 231261), (8949, 225369), (9329, 216189), (12717, 158593), (13257, 152133), (24021, 83961), (25041, 80541), (26163, 77087), (26847, 75123), (27987, 72063), (39771, 50711)]