128520231021

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{30137}}^1$

素因数の和:30331

約数の個数: 96

約数和(自身を含む): 235903868928

約数和(自身を除く): 107383637907

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 63, 91, 117, 123, 127, 273, 287, 369, 381, 533, 819, 861, 889, 1143, 1599, 1651, 2583, 2667, 3731, 4797, 4953, 5207, 8001, 11193, 11557, 14859, 15621, 30137, 33579, 34671, 36449, 46863, 67691, 90411, 104013, 109347, 203073, 210959, 271233, 328041, 391781, 473837, 609219, 632877, 1175343, 1235617, 1421511, 1898631, 2742467, 3526029, 3706851, 3827399, 4264533, 8227401, 8649319, 11120553, 11482197, 16063021, 24682203, 25947957, 26791793, 34446591, 48189063, 49756187, 77843871, 80375379, 112441147, 144567189, 149268561, 156923359, 241126137, 337323441, 348293309, 447805683, 470770077, 1011970323, 1044879927, 1098463513, 1412310231, 2040003667, 3134639781, 3295390539, 6120011001, 9886171617, 14280025669, 18360033003, 42840077007, 128520231021]

約数ペア:

[(1, 128520231021), (3, 42840077007), (7, 18360033003), (9, 14280025669), (13, 9886171617), (21, 6120011001), (39, 3295390539), (41, 3134639781), (63, 2040003667), (91, 1412310231), (117, 1098463513), (123, 1044879927), (127, 1011970323), (273, 470770077), (287, 447805683), (369, 348293309), (381, 337323441), (533, 241126137), (819, 156923359), (861, 149268561), (889, 144567189), (1143, 112441147), (1599, 80375379), (1651, 77843871), (2583, 49756187), (2667, 48189063), (3731, 34446591), (4797, 26791793), (4953, 25947957), (5207, 24682203), (8001, 16063021), (11193, 11482197), (11557, 11120553), (14859, 8649319), (15621, 8227401), (30137, 4264533), (33579, 3827399), (34671, 3706851), (36449, 3526029), (46863, 2742467), (67691, 1898631), (90411, 1421511), (104013, 1235617), (109347, 1175343), (203073, 632877), (210959, 609219), (271233, 473837), (328041, 391781)]