80888787

素因数分解:

$3^4\times 7^1\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:781

約数の個数: 40

約数和(自身を含む): 138834432

約数和(自身を除く): 57945645

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 331, 431, 567, 993, 1293, 2317, 2979, 3017, 3879, 6951, 8937, 9051, 11637, 20853, 26811, 27153, 34911, 62559, 81459, 142661, 187677, 244377, 427983, 998627, 1283949, 2995881, 3851847, 8987643, 11555541, 26962929, 80888787]

約数ペア:

[(1, 80888787), (3, 26962929), (7, 11555541), (9, 8987643), (21, 3851847), (27, 2995881), (63, 1283949), (81, 998627), (189, 427983), (331, 244377), (431, 187677), (567, 142661), (993, 81459), (1293, 62559), (2317, 34911), (2979, 27153), (3017, 26811), (3879, 20853), (6951, 11637), (8937, 9051)]