121908978

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:376

約数の個数: 72

約数和(自身を含む): 283688028

約数和(自身を除く): 161779050

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 73, 114, 146, 171, 219, 257, 342, 361, 438, 514, 657, 722, 771, 1083, 1314, 1387, 1542, 2166, 2313, 2774, 3249, 4161, 4626, 4883, 6498, 8322, 9766, 12483, 14649, 18761, 24966, 26353, 29298, 37522, 43947, 52706, 56283, 79059, 87894, 92777, 112566, 158118, 168849, 185554, 237177, 278331, 337698, 356459, 474354, 556662, 712918, 834993, 1069377, 1669986, 2138754, 3208131, 6416262, 6772721, 13545442, 20318163, 40636326, 60954489, 121908978]

約数ペア:

[(1, 121908978), (2, 60954489), (3, 40636326), (6, 20318163), (9, 13545442), (18, 6772721), (19, 6416262), (38, 3208131), (57, 2138754), (73, 1669986), (114, 1069377), (146, 834993), (171, 712918), (219, 556662), (257, 474354), (342, 356459), (361, 337698), (438, 278331), (514, 237177), (657, 185554), (722, 168849), (771, 158118), (1083, 112566), (1314, 92777), (1387, 87894), (1542, 79059), (2166, 56283), (2313, 52706), (2774, 43947), (3249, 37522), (4161, 29298), (4626, 26353), (4883, 24966), (6498, 18761), (8322, 14649), (9766, 12483)]