177531939

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 297561600

約数和(自身を除く): 120029661

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 107, 117, 163, 261, 321, 351, 377, 489, 783, 963, 1131, 1391, 1467, 2119, 2889, 3103, 3393, 4173, 4401, 4727, 6357, 9309, 10179, 12519, 14181, 17441, 19071, 27927, 37557, 40339, 42543, 52323, 57213, 61451, 83781, 121017, 127629, 156969, 184353, 226733, 363051, 470907, 505789, 553059, 680199, 1089153, 1517367, 1659177, 2040597, 4552101, 6121791, 6575257, 13656303, 19725771, 59177313, 177531939]

約数ペア:

[(1, 177531939), (3, 59177313), (9, 19725771), (13, 13656303), (27, 6575257), (29, 6121791), (39, 4552101), (87, 2040597), (107, 1659177), (117, 1517367), (163, 1089153), (261, 680199), (321, 553059), (351, 505789), (377, 470907), (489, 363051), (783, 226733), (963, 184353), (1131, 156969), (1391, 127629), (1467, 121017), (2119, 83781), (2889, 61451), (3103, 57213), (3393, 52323), (4173, 42543), (4401, 40339), (4727, 37557), (6357, 27927), (9309, 19071), (10179, 17441), (12519, 14181)]