81427194

素因数分解:

$2^1\times 3^4\times {\mathrm{181}}^1\times {\mathrm{2777}}^1$

素因数の和:2972

約数の個数: 40

約数和(自身を含む): 183531348

約数和(自身を除く): 102104154

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 181, 362, 543, 1086, 1629, 2777, 3258, 4887, 5554, 8331, 9774, 14661, 16662, 24993, 29322, 49986, 74979, 149958, 224937, 449874, 502637, 1005274, 1507911, 3015822, 4523733, 9047466, 13571199, 27142398, 40713597, 81427194]

約数ペア:

[(1, 81427194), (2, 40713597), (3, 27142398), (6, 13571199), (9, 9047466), (18, 4523733), (27, 3015822), (54, 1507911), (81, 1005274), (162, 502637), (181, 449874), (362, 224937), (543, 149958), (1086, 74979), (1629, 49986), (2777, 29322), (3258, 24993), (4887, 16662), (5554, 14661), (8331, 9774)]