81367956

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^2\times {\mathrm{2087}}^1$

素因数の和:2138

約数の個数: 72

約数和(自身を含む): 222747840

約数和(自身を除く): 141379884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 361, 513, 684, 722, 1026, 1083, 1444, 2052, 2087, 2166, 3249, 4174, 4332, 6261, 6498, 8348, 9747, 12522, 12996, 18783, 19494, 25044, 37566, 38988, 39653, 56349, 75132, 79306, 112698, 118959, 158612, 225396, 237918, 356877, 475836, 713754, 753407, 1070631, 1427508, 1506814, 2141262, 2260221, 3013628, 4282524, 4520442, 6780663, 9040884, 13561326, 20341989, 27122652, 40683978, 81367956]

約数ペア:

[(1, 81367956), (2, 40683978), (3, 27122652), (4, 20341989), (6, 13561326), (9, 9040884), (12, 6780663), (18, 4520442), (19, 4282524), (27, 3013628), (36, 2260221), (38, 2141262), (54, 1506814), (57, 1427508), (76, 1070631), (108, 753407), (114, 713754), (171, 475836), (228, 356877), (342, 237918), (361, 225396), (513, 158612), (684, 118959), (722, 112698), (1026, 79306), (1083, 75132), (1444, 56349), (2052, 39653), (2087, 38988), (2166, 37566), (3249, 25044), (4174, 19494), (4332, 18783), (6261, 12996), (6498, 12522), (8348, 9747)]