181572111

素因数分解:

$3^4\times 7^1\times {\mathrm{431}}^1\times {\mathrm{743}}^1$

素因数の和:1193

約数の個数: 40

約数和(自身を含む): 311122944

約数和(自身を除く): 129550833

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 431, 567, 743, 1293, 2229, 3017, 3879, 5201, 6687, 9051, 11637, 15603, 20061, 27153, 34911, 46809, 60183, 81459, 140427, 244377, 320233, 421281, 960699, 2241631, 2882097, 6724893, 8646291, 20174679, 25938873, 60524037, 181572111]

約数ペア:

[(1, 181572111), (3, 60524037), (7, 25938873), (9, 20174679), (21, 8646291), (27, 6724893), (63, 2882097), (81, 2241631), (189, 960699), (431, 421281), (567, 320233), (743, 244377), (1293, 140427), (2229, 81459), (3017, 60183), (3879, 46809), (5201, 34911), (6687, 27153), (9051, 20061), (11637, 15603)]