81900108

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{119737}}^1$

素因数の和:119766

約数の個数: 36

約数和(自身を含む): 217923160

約数和(自身を除く): 136023052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 119737, 239474, 359211, 478948, 718422, 1077633, 1436844, 2155266, 2275003, 4310532, 4550006, 6825009, 9100012, 13650018, 20475027, 27300036, 40950054, 81900108]

約数ペア:

[(1, 81900108), (2, 40950054), (3, 27300036), (4, 20475027), (6, 13650018), (9, 9100012), (12, 6825009), (18, 4550006), (19, 4310532), (36, 2275003), (38, 2155266), (57, 1436844), (76, 1077633), (114, 718422), (171, 478948), (228, 359211), (342, 239474), (684, 119737)]